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Monday, September 25, 2006
Network Monitoring Tools *
Introduction [Contents]
The following Network Monitoring Tools grew out of a list that were reported to be in use at 11 ESnet sites in a survey made by the ESnet Network Monitoring Task Force (NMTF) and completed in October 1995. For some snapshots of earlier web pages see the Internet Archive Wayback site. Where possible I have provided hypertext links to further sources of information on the tool. These links vary in quality ranging from a pointer to the vendors home page, to the man pages entry, and to how to download the code. This is a volunteer, unfunded effort. This helps assure its independence. Increasingly new additions are from reader suggestions/recommendations. We also welcome corrections such as identifying broken links.Suggestions (please make sure that you indicate where the tool fits in the hierarchy and provide a short one sentence description of the tool's purpose with no marketing hyperbole).
Network Monitoring Platforms (NMPs) [Contents]
| Monitoring Tools Integrated with NMP [Contents]
|
Commercial Monitoring Tools, not integrated with an NMP [Contents]
Analyzer/Sniffer | Application/Services/Systems monitoring | Flow Monitoring | FTP | Network Security tools | SNMP Tools | Topology/Traceroute | VOIP- ActivXperts Network Monitor monitors servers and workstations in your LAN and WAN. The software monitors Windows, UNIX, LINUX and Novell servers for availability.
- AlertCenter provides monitoring, alerting and corrective action automation scheduling. It is part of the MKS Toolkit.
- AlertSite measures, diagnoses, notifies and reports on the availability and performance of servers, URLs, web applications and virtually any Internet connected device or application.
- Analyzer/Sniffers, see also public domain capture tools.
- Anritsu provide the MD1230 portable network and IP network performance monitor.
- Anasil Analyzer is a software network analyzer of Ethernet networks for Windows 95/98/NT/2000.
- ClearSight provide an Analyzer/sniffer (up through 10Gbits/s), packet generator.
- CommView is a program for monitoring Internet and Local Area Network (LAN) activity capable of capturing and analyzing network packets. It gathers information about data passing through your dial-up connection or Ethernet card and decodes the analyzed data.
- Distinct Network Monitor is a software packet capture and network protocol analyzer for Windows that translates complex protocol negotiation into natural language, pinpointing where errors occurred.
- Easy Service Monitor (ESM) will monitor network services to see if they can work properly with a predefined time interval. It runs on Windows.
- Etherpeek for Windows is an Ethernet network traffic and protocol analyzer designed to assist in troubleshooting and debugging mixed-platform, multi-protocol networks.
- Finisar provide sniffer like stand alone network test and monitoring devices for 10/100/1G and iSCSI, Infiniband and Fiber Channel.
- GigaMon Provide a hardware switch to enable connecting a sniffer to multiple links.
- Javvin Packet Analyzer software-based network analyzer monitors Ethernet and WLAN traffic in real time, and decode packets and displays in.
- LANExplorer provides packet capture, decode, filtering, matrix, host table, statistics, theresholding and alarms for Windows hosts.
- LANWarch Windows software-based network packet analyzer monitors traffic in real time and displays a wide range of statistics in graphical form.
- LinkFerret tools are designed to provide a comprehensive set of monitoring utilities and packet sniffers to be used for capture, statistical analysis, and protocol decoding in your Ethernet network. It runs on Windows 98/NT4/2000/XP.
- Network Probe is a Windows or Unix network monitor and protocol analyzer providing a picture of the traffic situation on your network and enables you to monitor network traffic in real time, hunt down, identify, and isolate traffic problems and congestions on your network.
- Observer from Network Instruments is a network analyser (Packet sniffer) for 10/100/1000 100/1000 Full Duplex and Multi truncked Ethernet links, wireless a,b an d g, token ring and FDDI.
- NetworkActive PIAFCTM (Packet Intercepting, Analyzing, File Constructing Traffic Monitor) network traffic analyzer; packet/protocol analyzer, HTTP file rebuilder, graphical traffic mode (graphical overview of current network communications), and traffic statistics mode. There is also a free for personal and commercial use version that provides a network traffic analyzer plus a packet/protocol analyzer and HTTP file rebuilder.
- PacketBoy is a Win9x/NT & Unix packet sniffer analyzer decoder package capable of decoding many of the commonly used LAN protocols.
- PRTG Traffic Grapher Windows software to monitor bandwidth usage and other network parameters via SNMP. Has a builit in packet sniffer. Freeware also available.
- Sniffer resource for product information on both portable and distributed Sniffer protocol analyzers, network troubleshooting white papers, Sniffer University training courses, and free protocol stack posters.
- Sniff'em is a Windows based Packet sniffer, Network analyzer and Network sniffer.
- VSS Monitoring network taps provide a dedicated inline network monitoring solution for use with analyzers, IDSes, IPSes and other test access monitoring devices.
- Ultra Network Sniffer for Windows lists network packets in real-time from multiple network cards and also supports packet capture.
- Unsniff Network Analyzer. Scriptable and extensible network analyzer with fresh new views of protocols URL.
- WildPackets Omni fault analysis platform for optimizing network services and improving uptime on enterprise networks.
- Applications/Services/Systems monitoring
- Advanced HostMonitor is a system management tool that continuously monitors servers' availability and performance. In the event of network errors, HostMonitor will alert the network administrator.
- Alchemy Network Monitor monitors network servers: TCP/IP, ICMP, IPX/SPX, Oracle, MS SQL, NT EventLog, SQL query, HTTP URL, NT service state, maintains log file and sends notifications if the server goes down. Also marketed in Europe as Alchemy Eye.
- Alertra Checks (http, https, ping, SMTP, POP3, IMAP4, FTP, TCP) web server from multiple stations around the world.
- AppMonitor simulates defined web transactions, such as customer logins and purchase order fulfillment, up to every five minutes to verify that web applications are available and performing 24/7
- Argent Argent has three products - The Argent Guardian, a real-time monitoring and alerting system for NT/2000 servers as well as SNMP-compliant devices; The Argent Predictor, a trend-analysis product for both NT/2000 servers and SNMP devices; and The Argent Sentinel, a web monitoring product.
- BBMonitor Windows bandwidth test software to monitor bandwidth usage and speeds. LAN and Internet bandwidth meter.
- Chariot evaluates the performance of networked applications, performs stress tests of network devices and predicts networked application performance prior to deployment.
- Cittio provide monitoring of systems, applications, databases, network devices, network traffic and latency.
- CleverEye providea availability monitoring software for servers, network appliances, databases and applications.
- CueVision Windows based too to monitor website, servers and network devices.
- CyberGauge using SNMP automatically creates utilization graphs as well as daily, weekly and monthly QoS and utilzation reports.
- DotCom is an External Web Monitoring Service that brings together Monitoring, Reporting, Notification, Escalation and Analysis for HTTP, HTTPS, SMTP, POP3, DNS, FTP, ICMP and SOAP applications.
- egInnovations provide Enterprise Management Products with capabilities involving the ability to offer subscription based remote monitoring through a web browser console, real time monitoring and problem diagnosis and proactive alerts.
- Eye-on Bandwidth is a bandwidth monitor designed for scalability, speed and security . It has multiple user levels with different privilegies, and is managed by a web interface.
- EZ-NOC provides a website monitoring tool using distributed servers around the world. It also includes network monitoring tools like: DNS, EMAIL, WEBSITE, SSL, ISP Speed Test, What Is My IP and Whois.
- Ganymede provides performance management for clients,servers, applications, and the network as an integrated system.
- IPCheck Server Monitor Network Up-/Downtime Monitoring Monitors critical network resources and detects system failures or performance problems. Freeware available.
- Network Physics passively monitors network traffic providing utilization by protocol, application, host groups as well as topology, re-try and response time information. Good for real-time monitoring and trouble-shooting, also provides alerts and export of reports to web accessible pages.
- GFI Network Server Monitor Monitors your network & servers for failures and fixes them automatically. Checks Exchange Server, SQL, Oracle, HTTP/FTP, Disk health & space, event logs
- internetVista remotely monitors web sites and Internet services for availability (http, https, smtp, ftp, nntp, tcp). Notifications sent via email and SMS. Monitoring centres in United States and Europe
- MonitorIT monitors, detects, alerts, diagnoses, measures, collects and reports on Windows Servers/Workstations, SNMP & SYSLOG Devices
- MonitorMagic - Server & Network Monitoring is a proactive monitoring/alerting tool for Windows 2003, 2000 and NT servers, workstations and SNMP devices.
- N-able OnDemand MonITor Online provides 24×7 proactive network monitoring through status, notification and performance reporting without any network reconfiguration.
- N-central is an IT governance platform for the mid-enterprise that manages information technology and security services from a business perspective.
- NetMon hardware box that monitors network/service components including: routers; firewalls; file, web, dhcp, dns, syslog servers. Also provides protocol usage, bandwidth utilization, top web users and destinations, latency, up/down time, TCP/IP services.
- Network Security Monitoring Tools
- Nsauditor is a network security scanner that allows to audit and monitor network for possible vulnerabilities,checks methods that a hacker might use to attack it. Over 45 network tools for monitoring, scanning, sniffing, enumerating and gaining access to machines (access to secured shares and confidential files, also detects and logs network access to shared folders).
- QRadar isolates the source and identifies corrective measures for dangers hiding in daily network activity.
- PSentry provides Internet policy control, surveillance and reports in a single tool. Through its management web console, manager can define firewall-like policies over users IM use, file transfers, email, web-surf behaviors.
- ZoneRanger from Tavve is a secure network management proxy appliance for the DMZ; it proxies SNMP GET/SET, SNMP Traps, syslog, NetFlow, sFlow, IP status, and TCP port status, delivering the proxied traffic to a network management platform or tool.
- NetStatus workgroup level monitoring application designed to be used in situations where you need to monitor anywhere from 1 to 50 servers or devices on a network.
- NetVizor provides network monitoring and surveillance software to track workstations and individual users that may use multiple PC's on a network.
- NetworksA-OK appliance, provides end to end monitoring of your network and applications (web, email, database) performance and security.
- NimTech provides NIME an end-to-end TCPIP performance characterization tool based on a client/server architecture. It allows launching various network tests from & between any location to quantify in real-time the performance of a TCPIP network between two endpoints hosts.
- NPS Network Performance Services provides network, system, application, and security monitoring products and services via a 7x24 Network Operations Center. All products and services include automated and customized alerting, and web based performance reporting.
- Overseer Network Monitor is a W2K network monitor providing easy installation, Microsoft Management Console configuration, and runs as a service to provide rock-solid reliability. Monitors websites, network devices, servers, services, and notifies administrators via Email, pager, cell phone, or net send.
- PagerEnterprise is an automatic system, server and network monitor and notify remote system and network managers when important events occur. It runs on Windows NT/2000 to monitor servers, logfiles, services, SNMP Mibs, routers, TCP/IP, SNMP, disks, programs, web pages, devices, power, and more across Windows NT/2000, Novell NetWare, UNIX, OpenVMS, HP3000, AS/400, IBM, Linux and others.
- PRTG Traffic Grapher Windows software to monitor bandwidth usage and other network parameters via SNMP. Freeware also available.
- RSP is a cross-platform, agent-based network/server monitoring, analysis, & hardware tracking program with a web interface and an API for plugins.
- Server Nanny Network Monitor monitors servers and network devices, sends problem notifications, performs actions, and logs performance data.
- ServicePATH from Trendium provides plug-and-play service intelligence system that can collect and synthesize data from networks, applications / business processes and OSS. This synthesized data model is then used to assess and assure service delivery in real-time. The system identifies anomalies as they occur, pinpointing their cause and analyzing their effects on services and the business. It can also automatically initiate corrective action.
- Integrien features centralized, agentless monitoring of web and data base servers/applications. Used to be SiteAlive from CreationPoint.
- SiteMonitor is a website uptime and measurement tools that verifies the performance of non-transactional websites up to every minute from 25 points of presence around the world.
- Vantage is Compuware's integrated suite of application performance management products, emphasizing response time metrics integrated with end-to-end performance analysis, presented in both technical and business views.
- Vigilix event detection and notification software for applications.
- WatchMouse offers professional remote server monitoring services from 16 locations worldwide: http, https, ftp, pop, imap, dns, etc. Alerting by email, SMS, IM, and pager. Extensive reporting, also useful for SLA monitoring.
- WatchTower system monitoring and management software application that runs within a Web-based portal environment.
- WebWatchBot provides monitoring, notification, and analysis software for web sites and IP devices, providing email alerts, reporting and performance metrics.
- Big Brother and its clone Big Sister consists of local clients that test system conditions and the availability of network services, and send these status reports to one or more DISPLAY servers where these reports appear as little dots on a web page, or PAGER servers that notify administrators about system problems.
- elkMonitor monitors your sites around the clock from servers across the globe, elkMonitor will alert you to signs of trouble.
- DSLReports provide measurement reports (e.g. speed tests, security scans, loss).
- Flow Monitoring
- Caligare Flow Inspector from Caligare is a Netflow monitor and analyzer with many graph statistics, low level searching, application recognizer and utilization maps. Available in the US as NetIMonitor through Caligare partner Net US.
- InMon provides traffic flow monitoring tools for high-speed switches. The software is able to monitor tens of thousands of switch ports continuously, producing real-time top flows charts, and site-wide application-level traffic matrices.
- NetDetecor from Nicksun a non-intrusive network security monitoring product that (when deployed as part of your data communications infrastructure) inspects traffic flows, detects the activities of intruders, sets alarms, makes continuous copies of data from the network, and analyzes every packet in the network in real-time at production network traffic rates.
- Netflow from Cisco.
- NetQoS uses NetFlow to identify when and where problems are occurring or occurred, identify viruses using real time reporting, remove unwanted traffic instead of unnecessarily upgrading links, view and plan the impact of applications on the network over time.
- NetIntercept is delivered as a complete system, with hardware and software pre-installed, and captures in real-time and provides later on demand batch analysis of the data.
- Packeteer provides network traffic characterization, using signatures derived from network layers up through 7, it can then use this information to do TCP rate control (using CoS/ToS. DiffServ & MPLS) to ensure timely performance.
- PRTG Traffic Grapher Windows software to monitor bandwidth usage and other network parameters via SNMP. Supports Netflow. Freeware also available.
- sFlow probe from InMon is a monitor/SPAN port probe capable of continuously monitoring application level traffic flows at a full 1Gigabit (over 1,500,000 million packets per second).
- FTP
- FastCopy provides reliable, secure, bandwidth controlled, automated, enhanced file transfer.
- Trellian Trellian FTP is a file transfer client that allows you to transfer files between your PC and any FTP server on the Internet.
- WS_FTP for windows provides a fast and easy way to move files securely (with SSL) over the Internet. there is a client and server
- HipLinkXS is a one or two-way wireless data and messaging solution that enables software used for network monitoring, field force automation, email, customer support, help desk, to communicate with data enabled wireless devices, including digital cellular phones, PDAs, one-way and two-way pagers.
- Holistix Web Manager is software installed inside the firewall that monitors and manages all web system components including web servers, databases, urls, applications, etc. Holistix also has a service, called Remote Monitor, that Measures your site's performance 24 hours a day from monitoring locations around the world.
- Internet Control Panel performs checks every five to ten minutes on the availability, performance and content of your website. It also checks other important internet services you depend on; email, file transfer and authorization processes.
- Internet Periscope includes a wide array of tools including security, that allow System Administrators to "see" how well their hosts are functioning on the Internet.
- ISDNwatch is an ISDN network management suite for your ISDN routers.
- Keynote Systems is a supplier of software and services for measuring and managing the responsiveness of web-based applications. KeyNote RedAlert is aWeb site monitoring service that can perform end-to-end checks of your a site every 5 or 15 minutes. It can also monitor DNS, email, news & telnet servers.
- MeasureNet.
- MeterWare for Windows 95/NT & UNIX from Technically Elite.
- Metrica Network Performance Reporting (NPR) is a performance monitoring toolset being used by telecoms operators to manage the quality of service and the capacity of their networks.
- NATManager.
- NEPM (Network Equipment Performance Monitor is a two part software system that captures and analyzes logged performance data from IP networked equipment and reports it via e-mail and web pages. It can be hosted on either a Unix or WinNT system or a combination of these.
- NetArx Network Monitoring System monitors client systems and reports information to the Netarx Network Operations Center ("NOC"); a fully staffed vault operating 24 hours a day. The NOC notifies on-site contacts of service failures and proactively detected potential problems.
- NetPredict helps you monitor, predict and optimize the performance of distributed business applications.
- Network Health family from Concord.
- NetMedic.
- Net-One-1, monitors your company's network devices 24 hours a day, seven days a week.
- NetOps provides a set of tools for monitoring, logging and reporting network status, focussing on preventive maintenance.
- NetReality provides monitoring and QoS shaping on all OSI layers, from 1 - 7 on WAN links. Real-time and historical reports are provided.
- NetScout Drawing on information generated by NetScout's application-aware probes, intelligent active agents and data collected directly from network devices strategically placed throughout the WAN, SAN, and LAN, the nGenius Performance Management System monitors, troubleshoots, performs capacity planning and reports on the application traffic flowing across the network.
- NextPointS3 provides the ability t define, measure, baseline and report on service levels at many levels from the core network to end user applications. PacketStorm IP Network Emulators reproduce the unfavorable conditions of IP Networks and WANs in a controllable and repeatable lab setting.
- PingGraph is a multi-threaded graphical TCP/IP network monitoring and diagnostic tool for Windows 95 and NT.
- Procom+ ISDN/Modem monitoring
- ResponseNetworks provides tools for network service level monitoring and measurements.
- RIPmon provides remote monitoring over IP networks using an agent that physically connects to and communicates with any element through LAN ports, serial ports and/or contact closures. Once connected the agent units interact with the device in native format and translate user queries into SNMP and HTTP responses.
- ROMmon develops easily deployable online network performance metric (passive and active) monitoring system for networking professionals. The system's emphasis are on data aggregation, high availability and high scalability.
- SAA Service Assurance Agent built into Cisco IOS release 12.0(5)T allows measuring response time, net resources, availability, jitter, connect time, packet loss and application performance.
- SftpDrive Maps any SSH server as a Windows network drive. Provides transparent and secure integration of the remote filesystem into Windows without requiring additional server software or configuration.
- Shunra develops testing and evaluation tools for internet and intranet based network technologies and products.
- Silverback's InfoCare delivers real-time and historical information on faults, assets, performance and security across networks, systems and applications through a unified Web-based interface.
- SNMP Tools:
- AdventNet SNMP API can be used to build system management, application management and network management applications and applets. It includes class libraries and Java beans for Java SNMP development, as well as a complete MibBrowser for interacting with SNMP enabled devices. The AdventNet Agent Toolkit Java Edition provides a complete GUI-based development environment to build standalone SNMP agents, Multi-Protocol agents, and standalone TL1 agents. Also see AdventNet ManageEngine JMX Studio a 100% Java-based development environment that provides Java, J2EE, and EAI middleware application developers, the ability to build JMX and SNMP-based manageability for their applications. It also comes with options for other protocol adaptors like HTML, RMI, CORBA, SOAP, and AMI adaptor for plugging into different types of management consoles.
- LoriotPro a generic SNMP manager
- MIW Multiple Interface Watcher is a graph utility that shows the utilisation of up to 20 different interfaces. The data is requested from the devices using SNMP. MIW is an advanced development of Interface Traffic Indicator that focuses more on the utilization overview of many interfaces than on much information of one interface.
- Open NerveCenter is a network management platform, based on SNMP, that is extensible using PERL. NerveCenter correlates events in real time from network and security devices, UNIX and NT systems and applications to improve availability, performance and security.
- OPENXTRA has a set of SNMP utilities.
- Quallaby provides PROVISO 2.0, network monitoring and service assurance solution for network service providers.
- SNMP Explorer provides a tree view of your SNMP managable devices, provides a way to talk to or from the devices, provides a flexible log of transactions, and permits you to transact with the devices with simple yet powerful scripts.
- SNMP Informant is installed on Windows hosts to enable them to provide SNMP information.
- SNMP Research
- TrapBlaster SNMP trap management engine that receives, filters and converts SNMP traps. They may then be forwarded to your network management applications.
- Unbrowse SNMP. A visual SNMP MIB browser, compiler, walker.
- WinTDS monitors IP-SNMP devices and gives a variety of real-time views of the network status.
- Shiva Network Manager
- Shiva InterNet Manager
- StatScope from IP Sciences is an outsourced service providing a customized IP network monitoring and reporting capability.
- TelAlert from CalAmp a package for enunciating alerts and managing via pagers, email, pop up windows etc.
- Third Watch Server Monitor will allow you to monitor all of your critical servers and services on an IP network and be notified of any changes in their status. It is a server monitoring program using TCP/IP. It can monitor via Ping, HTTP, FTP or any other TCP/IP port.
- Topology/Traceroute based tools
- EdgeScape from Akamai, maps user IP addresses to their geographic and network point of origin. This information is assembled into a vast knowledge base and made available to Edgescape customers.
- GeoBoy Allows you to view traces on a flat map or 3D globe. Incorporate geographical features such as cities, rivers, and political boundaries. Zoom in on areas of interest. Save and restore trace data. Rotate and manipulate maps. Update and customize geographical location cache files.
- NeoTrace provides graphical traceroute information.
- PingPlotter is an enhanced traceroute program for Windows 95/98/NT/W2K/XP.
- Route Explorer provides visibility, analysis and diagnosis of IP networks from a routing point of view
- VisualRoute a GUI based traceroute for Windows.
- Triticom has software based network protocol analyzers, LAN traffic monitors, RMON probes, and an SNMP manager.
- USR Total Control.
- View2000 runs under Windows NT and has the ability to monitor multi-vendor network equipment configurations, using flat file databases for speed and Oracle RDBMS for SQL report queries, and NOT using SNMP.
- Viola Networks provides NetAlly and other tools that include a suite of tests to provide "true" Service Level Management (SLM), the ability to audit policies and Quality of Service (QoS), and automatically conduct preventive maintenance tests to discover hidden problems in the network.
- VisualPulse from DataMetrics provide realtime and historical reports on RTT & loss.
- Vivere Networks have a wireless sensor that monitor and analyze multi-AP topologies in real-time, including 802.11 packets for all access points in range as well as other IP network traffic.
- VoIP (Voice over IP)
- Prognosis provides systems management software for performance monitoring of IP telephony, VOIP, availability, network management, Windows, UNIX and Linux.
- QOVIA provides Voice over IP monitoring and management, sends alerts when it predicts call quality will be affected.
- Telchemy provides Voice over IP (VoIP) passive call quality monitoring and active Quality of Service (QoS) management. Designed specifically to be embedded into VoIP end-systems, management devices and DSPs, Telchemy's non-intrusive monitoring technology, VQmonTM, is the only technology to model time-varying impairments and their effects on end-user-perceived quality in real-time.
- ZTI provide LANTraffic V2 and IP Traffic Test & Measure software testing tools for automatic generation of TCP and UDP traffic.
Public Domain or Free Network Monitoring Tools [Contents]
Application Monitoring | Finger Printing | FTP | Mapping | Monitoring Infrastructures | Packet Capture | Path Characterization | Ping | RRDtool | SNMP | Throughput tools | Traceroute- ANL Web100 based Network Configuration Tester tests the reliablity and operational status of your network link.
- Application Monitoring
- Alvias provides free monitoring of HTTP, TCP/IP port, ping, SMTP, POP# FTP, web page defacements from multiple networks around the world.
- H.323 Beacon is a tool that can be used to measure, qualify and troubleshoot performance of H.323 Videoconference sessions both at the network and host levels (end-to-end)
- MossHe (MOnitoring with SSH Environment) is a simple, lightweight (both in size and system requirements) server monitoring package designed for secure and in-depth monitoring of a handful of typical/critical internet systems.
- System and Network Monitor (SNM) is a tool to monitor, graph and alert on computing devices and services. SNM runs on a Windows or Linux device on your network, 24 hours every day. The recorded data is accessed via a user friendly menu-driven web browser, e-mail alerts are raised if a user determined threshold fails.
Sysmon is a network monitoring tool designed to provide high performance and accurate network monitoring of various application protocols. Currently supported protocols include SMTP, IMAP, HTTP, TCP, UDP, NNTP, and PING tests.
- aslookup tool searches the sequence of AS number specified with the parameter from IRR and indicates the first line of Description of AS Object.
- arpwatch, if this link fails then you can FTP it from ftp://ftp.ee.lbl.gov/arpwatch.tar.Z (since this is the master repository it may also be a more recent version than the one above).
- FDBGet This little gadget will try to retrieve the forwarding table entries (Mac to interface number) of switches (layer 2 devices). This comes in handy when you want to know to which interface of a switch a particular NIC (e.g. computer) is attached to. Now suppports parameters for command line use.
- Dig
- Netdisco is an Open Source web-based network management tool. Designed for moderate to large networks, configuration information and connection data for network devices are retrieved by SNMP. With Netdisco you can locate the switch port of an end-user system by IP or MAC address. Data is stored using a SQL database for scalability and speed. It also provide optional use of the Cisco Discovery Protocol (CDP).
- D-ITG (Distributed Internet Traffic Generator) is a platform (collection of tools) capable of producing traffic (network, transport and application layer) and of accurately replicating appropriate stochastic processes for both IDT (Inter Departure Time) and PS (Packet Size) random variables (exponential, uniform, cauchy, normal, pareto, ...).
- FingerPrinting
- NetworkActive Port Scanner a network scanning tool that can perform UDP and TCP port scans and subnet scans, whois, DNS-dig, ping, protocol scans, and TCP/IP stack fingerprinting.
- Nmap is a utility for port scanning of large networks, although it works fine for single hosts. OPENXTRA has a version (NMapWin) for Windows.
- TBIT TCP Behavior Inference Tool
- sscan performs probes against victim hosts to identify services which may potentially be vulnerable to exploitation.
- FTP is the standard File Transfer Protocol. See also Commercial FTP tools.
- Autobuf is an auto tuning-enabled FTP client and server. The client, a modification of the NcFTP Client, enables Auto Tuning to calculate optimal window sizes before files are transferred. The client is compatible with most other FTP servers. The server, a modification of the WuFtp FTP server, allows connecting clients to reset its buffer size dynamically by using a SITE option.
- bbcp a secure peer to peer file copy program supporting large windows and multiple streams. See also the presentation and the PDF paper.
- bbftp is designed to quickly transfer files across a wide area network. The package comprises of a server and clients. It also provides compression and secures the transmission of the username and password by using the cryptolib of the OpenSSL project.
- BitTorrent an aggressive peer-to-peer file transfer protocol/implementation.
- Firehose firehose uses multiple interfaces to stripe a bulk data transfer (it's geared towards files, the home-grown protocol includes sending a filename and the client requires a file) over multiple network interfaces.
- GSIFTP is an ftp client and server with built in kerberos and GSI (globus) security, and also allows you to set the TCP buffers on both the client and server.
- HPN-SSH provides a patch to remove the performance bottlenecks in OpenSSH.
- SafeTP operates by installing a transparent proxy in the Windows networking stack which detects outgoing FTP connections from any Windows FTP client, and silently secures them using modern cryptographic techniques.
- NcFTP has a popular free FTP client that adds support for firewalls, intelligent ls caching, background and scheduled processing, and Microsoft Windows.
- RFT Reliable File Transfer Service is a service that allows byte streams to be transferred in a reliable manner. Reliability, in this context, means that problems of less than a certain, user defined magnitude are dealt with automatically. i.e. problems like dropped connections, machine reboots, temporary network outages, etc are dealt with automatically (usually via retry) until they either resume or meet some "ultimate failure" condition
- WU-FTPD is a popular FTP server from Washington University.
- Internet Detective is a small Windows application that offers computer users easy access to the status and capabilities of their current network connection by providing information about advanced network capabilities, including connectivity to an Internet2 backbone network, an estimate of available bandwidth and multicast capabilities.
- Lachesis a tool from Intel to monitor and report on response time and packet loss to "landmark" Internet sites. It is based on the publically available tool Imeter.
- LinkRank BGP dynamics visualization tool "LinkRank" also presented at Nanog 32 at Reston, VA (http://www.nanog.org/mtg-0410/lad.html).
- Mapping tools
- GeoPlot is a light-weight java applet which allows users to create a geographical image of a data set.
- Mapnet from NLANR/CAIDA is a tool for visualizing the infrastructure of multiple backbone providers simultaneously (Mapnet), and for updating and correcting information that may be invalid or out of date (Mapnet Update)
- NetGeo is a database and collection of Perl scripts used to map IP addresses, domain names and AS numbers to geographical locations.
- Monitoring Infrastructures (also see Comparison of Some Internet Active E2E Measurement Infrastructures)
- Cheops is an Open Source Network User Interface designed to unify your network utilities.
- JetMon is a client-server link monitoring tool for NOC operations, written in Java. The server pings a list of network devices, reporting the state to the clients.
- Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids.
- Mon is a general-purpose resource monitoring system, which can be used to monitor network service availability, server problems, environmental conditions such as the temperature in a room, or any number of things.
- Nagios (used to be NetSaint) is an open source host, service and network monitoring program. It is designed to run under Linux, although it should work under most other *NIX variants. It can run either as a normal process or as a daemon, intermittently running checks on various services that you specify. The actual service checks are performed by external "plugins" which return service information to Nagios. Several CGI programs are included with Nagios in order to allow you to view the current service status, history, etc. via a web browser.
- NetMeter This application provides an integrated graphical interface for a set of tools that allows the measurement of QoS parameters over IPv4 and IPv6 networks. Network Performance Meter (netmeter) is an Tcl/Tk application which tries to solve these tasks in a flexible and modular way.
- Network Performance Advisor is a single application which integrates the measuring, analyzing, and displaying of network performance statistics.
- NIMI
- OSSMON is a web-based monitoring package based on OSSWEB application framework. It supports SNMP monitoring as well as specific services like POP3, SMTP, Ping.
- PingER End-to-end active measurement using ping to monitor end-to-end performance of Internet links.
- SCAMPI SCAMPI is a platform for passive monitoring. It can use several different hardware monitoring adapters (SCAMPI adapters developed in the project, DAG cards produced by Endace and regular NIC cards). It provides MAPI (Monitoring API) as a high-level abstraction of passive monitoring for easy creation of portable monitoring applications.
- Scriptroute is a flexible network measurement and debugging system. Measurements are expressed as scripts that run as an ordinary user, and a priviledged daemon schedules and manages the packet exchange. The goal is to allow any user to connect to any server and execute any safe network measurement.
- Simple Infrastructure Capacity Monitor (SICMD) is a tool to monitor, graph and alert the capacity of computing devices. SICM runs on a Windows or Linux device on your network, 24 hours every day. The recorded data is accessed via a user friendly menu-driven web browser. E-mail alerts are raised if a user determined number of queries fail.
- Website Monitoring is a free website monitoring application released under the GPL that provides an uptime monitoring tool.
- Wombat monitors the availability and operation of websites. When your website goes down or produces a defineable error, WOMbot will automatically notify you via SMS and Email.
- Zenoss is an integrated, easy-to-use IT infrastructure monitoring software product produced by the Open Source Community.
- mrtg Multi Router Traffic Grapher. Also available from OPENXTRA.
- NetLogger tools to make it easy to instrument distributed applications and visualize the results.
- NetNow a prototype tool providing realtime NAP & ISP backbone delay & packet loss performance statistics.
- netstat
- NetStat Live is a small, easy to use TCP/IP protocol monitor which can be used to see your exact throughput on both incoming and outgoing data.
- NetTest Nettest is a secure, real-time network monitoring utility. The nettest framework is designed to incorporate existing and new network tests, and be run as a daemon or an interactive process. Requests for network tests are received via a SSL connection or the user interface and are authorized using an ACL list (in the future authorization using Akenti will also be supported).
- Network Diagnostic Tool (NDT) a web100 Java applet developed to test the reliablity and operational status of your desktop computer and network connection.
- ns network simulator is a discrete event simulator targeted at networking research.
- NIST Net allows a single Linux PC set up as a router to emulate a wide variety of network conditions.
- Ntop is a Unix tool that shows the network usage, similar to the popular top Unix command.
- NOCOL
- nslookup
- OWAMP One Way Active Measurement Program from Internet 2. provides one way delay measurements.
- Packet capture tools. (see also commercial capture tools) Before using these tools on your site you should check with your network security people.
- Analyzer is a fully configurable analyzer program. It was developed in Win32 environment. It can be used with both Windows 95/98 and Windows NT/2000 platforms. It is composed by three parts: a graphical interface, an analysis engine and a capture program.
- Argus the network Audit Record Generation and Utilization System. The Argus Open Project is focused on developing network activity audit strategies that can do real work for the network architect, administrator and network user. It is a Unix based Real Time Flow Monitor designed to track and report on the status and performance of all network transactions seen in a data network traffic stream.
- Bro intrusion detection system contains a number of protocol analyzers that can munch on tcpdump traces (or live traffic, of course) and extract high-level application events from the reassembled TCP/UDP streams.
- Cflowd is an experimental tool to collect data from Cisco's netflow export feature.
- Crypto-PAn is a cyrptography-based sanitization tool for network trace owners to anonymize the IP addresses in their traces in a prefix-preserving manner.
- Ethereal (now known as Wireshark) is a free network protocol analyzer for Unix and Windows (including Win2K). It allows you to examine data from live network or from a capture file on disk. Also Packetyzer provides a Packetyzer new Windows User Interface that will available under the terms of the GNU Public License.
- flstats is program for extracting flow statistics from trace files created using the -w argument to tcpdump.
- Natas is an opensource windows 2000 network sniffer.
- Netflow Monitor is tool with a nice web interface for processing and evaluating NetFlow Exports from CISCO routers.
- NetraMet and other realtime flow meters designed for Internet accounting including NetraMet (a traffic meter), NeMac (a combined manager & meter_reader) and NIFTY (a traffic flow analyzer).
- PasTmon is a passive network application response time monitor utilising packet capture (via libpcap), tracking sessions maintaining transaction state and collecting metrics of server/network response times, segment size negotiation and TCP window size advertisements.
- Plab is a software platform for packet capture and analysis. It is capable to extract, either from live traffic or from file traces, Inter Packet Times (IPT) and Packet Sizes (PS) inside conversations between couples of hosts. Plab runs under Linux and FreeBSD. It tries to use as few processing resources as possible and it is capable of analyzing traffic traces of hundreds millions packets associated to millions of conversations.
- sniffit,
- Snoop is similar to tcpdump and is bundled with the Sun/Solaris Unix operating system.
- Snuffle is a measurement tool for capturing the protocol messages, internal protocol states and to measure implementation performance on networking nodes. Snuffle consists of a set of modules placed in the kernel, device driver and user space. Currently measuring probes for UDP, IP and IEEE 802.11b MAC are implemented.
- TansuTCP (TT) is a TCP trace utility which listens on a local port and then forwards tcp packets to another server. You can see and save binary / text data to a file or you can load binary data from a file.
- Tcpdpriv is a program for eliminating confidential information from packets collected on a network interface (or, from trace files created using the -w argument to tcpdump).
- tcpdump. There is also a version for Windows 9x, NT & 2000.
- TCPurify is a packet sniffer/capture program similar to tcpdump, but with much reduced functionality. What sets TCPurify apart from other, similar programs is its focus on privacy. TCPurify is designed from the ground up to protect the privacy of users on the sniffed network as much as possible.
- TCPshow is a Unix based program that parses the output file of TCPdump into human readable text.
- Tcptrace is a TCP dump file analysis tool written by Shawn Ostermann at Ohio University.
- trafd is a traffic accounting daemon for Linux and FreeBSD, built on top of libpcap, with accompanying tools to manage its data.
- trafshow continuously displays information regarding packet traffic on the configured network interface that match the boolean expression.
- Tstat TCP statistic and analysis tool (Unix/Linux based) - allows collecting network performance indexes from passive traffic analysis (i.e. packet traces), at both network (IP) layer, and at transport (TCP/UDP/RTP/RTCP) layer. It can be used to persistently monitor links, thanks to the integration with the RRD database.
- WinPcap is an architecture for packet capture and network analysis for the Win32 platforms, based on the model of BPF and libpcap for UNIX. See also libcap for windows and libpcap for Unix.
- Path Characterization & Bandwidth Estimation
- ABwE Available Bandwidth Estimator.
- Bandwidth Estimation Tools a compendium of tools maintained by Sally Floyd.
- Bing is a point-to-point bandwidth measurement tool (hence the 'b'), based on ping. You can download it from here
- Bprobe & cprobe provide measurement of bottleneck and congestion bandwidth using ping.
- Clink is a tool for estimating Internet link characteristics.
- Nettimer is a project to do end-to-end network performance measurement. It can listen passively to existing network traffic or actively probe the network
- Pathchar is a tool to infer the characteristics of Internet paths. There are some usage notes from CAIDA. There is also a SIGCOMM '99 paper on Using pathchar to estimate Inernet link characteristics by Allen Downey.
- PathChirp
- Pathload measures the available bandwidth of a link.
- Pathneck is an active probing tool that can detect bottleneck location of network path. It only needs single end control, and has relatively small probing overhead (33.6KB for one probing in the default setting).
- Pathprobe is a MIB tool that uses TCP and web100 to probe and characterize the path between two hosts. The goal of this tool is to run hop-by-hop tests to determine if the paths along the way are capable of supporting the desired end-to-end target bandwidth between the sender and receiver.
- Pathrate measures end-to-end capacity
- Pchar an independent implementation of Van Jacobsens pathchar with more intelligible output. Available for FreeBSD, Solaris, Linux, IRIX
- Pipechar a tool for reporting dynamic network characteristics in particular the bottleneck bandwidth.
- STAB short for spatio-temporal available bandwidth estimator, locate congested links on an end-to-end network path.
- Ping
- fping is similar to ping but is optimized to ping a large number of hosts in parallel. You may be able to download from here.
- Fpinger Visualizes your computer network as an animated screen that lets you perform administration functions, monitoring, pinging, scanning, exporting, looking for software and hardware over the network.
- FREEping will ping all your 2003-XP-2000-NT servers (or any other IP address) in free-definable intervals. FREEping will send you a popup when one of the 2003-XP-2000-NT servers stops responding
- Just-ping pings from 8 locations worldwide to a host you select.
- MTR combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.
- MultiPing Grapher MultiPing Grapher is a further development of Perfping with the ability to graph up to 10 different ICMP results. Includes logging and average calculation.
- pathping is built into Windows 2000, it pings all nodes along a route.
- Perfping a tool for testing availability, response times and performance using ICMP. Writes data to a text file for later interpretation with e.g. Excel. Allows you to change IP address, ICMP timeout and data size during runtime. Comes with a nice little graph for realtime testing.
- Ping 'Classic' and the Nikhef Ping variant and its man page.
- The SLAC/HEPNRC PingER suite of ping tools for monitoring response time, packet loss etc. are available via the PingER Tools from the ICFA-NTF WG on Monitoring page.
- Pingroute.pl is a simple Perl script to ping all nodes along a traceroute and provide min, max, avg response time, plus packet loss analysis for 100 and 1400 byte packets. The source is freely available for SunOS, Solaris, Linux, AIX and Digital OSF1.
- TCP based pings use TCP to figure out the Round Trip Time (RTT)
- Traceping measures the packet loss to nodes along a route.
- TRIUMF's Visual Ping provides a Web page that the user can make ping transfer rate measurements between the Web server and the browser.
- hping2 is a network tool able to send custom ICMP/UDP/TCP packets and to display target replies like ping do with ICMP replies.
- Zinger a small Perl program that pings the closest router on network and reports any loss of connection. When it detects a problem, it does two things. First, it announces the problem over the PC speakers. Then, it writes the time and date to a log file. When the connection comes back up, the program writes another entry in the log and announces the happy event over the speakers again.
- Qcheck checks network response time, throughput, and streaming performance, by means of thin agents installed on hosts that are to be checked.
- RANCID monitors a router's (or device's) configuration, including software and hardware (cards, serial numbers, etc), using CVS. Rancid logs into each of the devices in a router table file, runs various commands, chomps the output, and emails any differences ( sample) from the previous collection to a mail list.
- Rider measures available bandwidth, latency, and streaming performance (including noticing consecutive lost packets -- a key measure for VoIP) using lightweight performance agents that include a built-in web server. Using a web browser for a GUI provides many extra useful features, such as the ability to save and print results, and the ability to bookmark tests (and even make a page of tests for your intranet.)
- RRDtool (Round Robin Database tool) is a system to store and display time-series data.
- Bronc is a package of utilities that allow you to gather and visualize data in the form of graphs. It uses RRD and is similar in function to Cricket and MRTG, though it is claimed to be faster.
- Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality.
- Cricket is a high performance, flexible system for monitoring trends in time-series data. The collector runs from cron every 5 minutes (by default), and stores data into a file-based database managed by the RRD Tool. Later, when you want to check on the data you have collected, you can use a web-based interface to view graphs of the data.
- Host Grapher II is a light program that uses RRD to draw graphics of Hosts for Network, Processes, CPU, Memory etc. Writing addicional plugins is quite simple. Works on all major UNIX platforms and on win32.
- NetMRG is a tool for network monitoring, reporting, and graphing. Based on RRDTOOL, NetMRG is capable of creating graphs of any parameter of your network.
- NMIS Network Management Information System is an SNMP polling and statistics viewer front-end to Tobi Oetiker's RRDTool.
- Orca is a tool useful for plotting arbitrary data from text files onto a directory on a Web server.
- remstats Remstats is a system of programs to: gather data from servers and routers, store and maintain the data for long periods, produce graphs and web-pages tieing them together, and monitor the data for anomalous behavious and issue alerts. This software is a pretty good hack to wrap around rrdtool as collector and presenter, easy to set up with not to much prerequesits. It only needs a some perlmodules and perl. Its under GPL and is able to maintain and monitor big environments.
- SmokePing measures latency and packet loss in your network. Uses RRDtool to maintain a longterm datastore and to draw pretty graphs giving up to the minute information on the state of each network connection.
- Torrus is designed to be the universal data series processing framework. Its has a scalable hierarchical design, with an application-independent core, and highly customizable architecture. Suitable for small installations and for big enterprise or carrier networks. Although most of our users deploy Torrus for SNMP monitoring, it might be useful for data series of any nature. Tobi Oetiker's RRDtool is used for data storage.
- RouteViews is a tool for Internet operators to obtain real-time information about the global routing system from the perspectives of several different backbones and locations around the Internet.
- SNMP:
- Analyse It is a shareware device poller that produces graphical performance reports for devices. You use it for trend analysis. The reports are in HTTP format for global organization view ability. Enables pro active network availability, performance, reliability and utilization reporting.
- CMU SNMP or for a Perl5 extension module
- EzMgt MIB Browser is a free tool that includes a MIB Editor, SNMP Query View and SNMP Tracer View.
- Interface Traffic Indicator Interface Traffic Indicator, a graph utility to measure incoming and outgoing traffic on an interface in bits/sec, bytes/sec or utilization. Works on all SNMP-capable devices (computers, NICs, switches, routers, etc.) with adjustable poll interval down to three seconds. You can use this program in a professional network environment to monitor selected network interfaces (even backplane ports if the device provides the information) or you can monitor your home network or cable/modem/ISDN connection to the internet.
- Mibbrowser Mibbrowser is a tool that retrieves all MIB data (OIDs and values) from SNMP-capable network devices. It can be used to find out what kind of MIB data is available from a device.
- STC is a free command line tool to get and compare, side by side, SNMP tables entries from different computers. The output is always in XML format which is by default associated with a XSL script. So it can be processed later or immediately viewed with a WEB browser.
- Tricklet man pages and code
- UCD SNMP public domain tools
- Spong Son of Pong (spong) is a simple system monitoring package, that will monitor system attributes and network services on a variety of machines. It will gather status reports and contact staff if there are problems. It will also summarize the information and display it via a web interface
- Sting end-to-end active monitoring tool that estimates one way loss through careful manipulation and observation of TCP behavior.
- TCPtune a TCP stack tuner for Windows
- telnet
- Thruput tools (also see the FTP tools):
- bulk is achievable performance measurement tool (iperf-like), which allows real-time monitoring of any socket options and their members, particularly TCP_INFO option, which provides useful clues for performance debugging. You can monitor rtt, cwnd, ssthresh, retransmits, etc. down to per sent segment, if you wish. The tool does not require root access or any kernel patch (even though it works with an accompanying AIMD patch for per-socket AIMD tuning). Download
- gen_send/gen_recv a simple UDP trafic generator.
- I2perf
- IPerf is a tool for measuring maximum TCP and UDP bandwidth, reminiscent of tools such as ttcp. It has been written to overcome the shortcomings of those aging tools.
- The MGEN toolset provides programs for sourcing/sinking real-time multicast/unicast UDP/IP traffic flows.
- netperf maintained by HP, is a general measure of performance of a network. Provides a measure of latency between request and response of generic transactions across a TCP/IP network.
- Nuttcp is a tool for measuring TCP achievable throughput.
- RUDE stands for Real-time UDP Data Emitter and CRUDE for Collector for RUDE. RUDE is a small and flexible program that generates traffic to the network, which can be received and logged on the other side of the network with the CRUDE.
- Tcpspray sends data to either the discard or echo TCP service on the specified host and prints the average throughput.
- thrulay measures achievable UDP and TCP single stream throughputs (currently only supports Linix) also provides RTT estimates.
- TReno a tool to function as a basis for a formal bulk transfer metric for the Internet.
- ttcp
- UDPmon This is a set of tools using UDP and TCP to give estimates of the request-response latency and bandwidth found in the route between the two end nodes. See also Some Tools used for Testing Network Behaviour.
- Traceroute (also see the commercial traceroute products)
- man pages, where to get it, the traceroute NIKHEF variant and traceroute servers.
- Gtrace is a traceroute visualization tool that uses a combination of methods to either determine or guess at the physical location of a node in the traceroute path. It is flexible enough to support addition of new databases, heuristics to map IP addresses to physical location and maps.
- mturoute is a small Windows tool to determine the path MTU between you and a specified host. In traceroute mode it will additionally show you the mtu at every hop between you and the specified host.
- NeoTrace provides graphical traceroute information.
- pathping a Windows NT utility to do a traceroute and then measure to each node along the route.
- Prtraceroute is a version of traceroute, from the RIPE Internet Routing Registry toolset, that presents routing policy information together with the real time packet trace obtained from traceroute. It adds AS information to the normal traceroute output, making use of Routing Registry (RR) database information.
- Scamper is a program that conducts traceroute to large numbers of IPv4 and IPv6 addresses in parallel to fill a specified packets-per-second rate.
- TCPtraceroute uses TCP to a port at the end node to do a traceroute.
- The tracepath for Linux is like traceroute but does not need superuser and has no fancy options. It does discover the PMTU along the route.
- Traceroute-nanog has additional features like AS lookup, TOS support, microsecond timestamps, path MTU discovery, parallel probing and others.
- VisualRoute a GUI based traceroute for Windows.
- Zabbix is software for application and network monitoring. Zabbix supports both polling and trapping techniques to collect data from monitored hosts. Flexible notification mechanism allows easy and quckly configure email notifications for pre-defined events.
Web Benchmarking Tools [Contents]
- WCAT is a Web Capacity Analysis Tool freely available from Microsoft.
- WebStone from MindCraft measures raw throughput of a standard HTTP workload, see also the NCSA Web Server Performance page.
- Web Server Stress Tool is a powerful HTTP client/server test application, designed to pinpoint critical performance issues in your web site or web server that may prevent optimal experience for your site's visitors. Supports SSL.
- WWW performance monitoring
Auxiliary Tools to Enable Monitoring, Analysis, Report Creation or Simulation [Contents]
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Further Information [Contents]
- CAIDA Measurement Tool Taxonomy provides a preliminary overview of Internet and TCP/IP performance measurement tools and efforts and distinguishes tools used to measure the Internet from general TCP/IP performance tools.
- CIAC's List of Security Tools
- Gigamon University provides podcasts of passive monitoring for protocol analysis, RMON probe, network troubleshooting, application performance, web experience management, network and application discovery, network security, intrusion detection, access control, Sarbanes-Oxley, HIPAA and PCI compliance auditing, forensics and packet capturing and storage, deep packet inspection, VoIP analysis and IPTV service assurance, etc.
- Network Performance Measurement Tools: An Internet2 Cookbook
- Computing Vendors Online.
- LBNL's Network Research Group Includes links to lots of their documents and tools.
- Internet Tools is a compact, comprehensive, carefully organized set of links to essential Internet sites about Internet-based tools for information, interaction, and communication.
- Netspec a Network Performance Evaluation and Experimentation Tool from the University of Kansas.
- Network-Automation mailing list is for discussions of issues related to automating network configuration and management, including (but not limited to) methods, mechanisms, techniques, philosophies, policies, and products (in general; questions about specific products should be directed to the mailing list dedicated to that particular product).
- NIH's Network and Network Monitoring Software list.
- NLANR Advanced Applications Database is an online resource that provides access to information about networked research and education projects, applications, and resources that are related. You can view information about the more than 2,400 projects entered in the AAD by using keyword searches or preformatted reports.
- Routing Arbiter ToolSet
- Terena Guide to network resource Tools a guide to network tools and innovation for users of all levels of expertise.
- ServerFiles.com is a software directory for network administrators and IT professionals that are looking for networking & server software for Windows 2003, Windows 2000 or Windows NT.
- TruePath will work with your teams to define what monitoring software packages (if any) are needed. They then configure and maintain the monitoring tools and your teams use them.
- WebAttack a large collection of Internet Tools.
- WindowsNetworking.com provides tutorials on various Windows networking related topics such as setting up Windows NT/XP/2000/2003 networks, troubleshooting, connectivity and more. Also includes a comprehensive archive of reviewed networking software.
- WWW Resources for Communications & Networking Technologies from eIT.in presents a comprehensive listing of networking and communication resources from around the web. It contains over a thousand web links for hundreds of networking and communications related topics.
- The X Consortium's Anonymous FTP Archive.
