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Displays information about WLAN connections. Shows the SSID, signal quality, internal and external IP addresses, and upload and download speeds. Supports IP lookup with Google Maps and tells you whether the connection is secure.

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Graphical management information base (MIB) browser, available either as a web-based service or a Windows application (wingetif). Supports SNMPv1, SNMPv2 and SNMPv3 protocols.

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Alternative to Windows’ ping command that can ping address ranges and import addresses from a file.

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Changes the normally-static MAC address of any active network adapter to a random value or a value specified by the user without having to restart Windows. Ensures greater network privacy since the network card, and thereby the computer, can no longer be clearly identified through the MAC address.

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Tests web servers and can detect around 2000 potentially dangerous CGI directories and scripts.

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Tool for recording and presenting time series data. Can also be integrated into other programs such as Cacti. Fast and secure download from The H

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Determines data rates via SNMP or plug-ins and displays them graphically in a browser. Fast and secure download from The H

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A collection of tools for monitoring networks and their data traffic. The dsniff, filesnarf, mailsnarf, msgsnarf, urlsnarf and webspy tools monitor all network traffic; the arpspoof, dnsspoof and macof tools allow you to forge network traffic; while the sshmitm and webmitm tools enable man-in-the-middle attacks in SSH and HTTPS connections.

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IPv6-capable benchmark for measuring network traffic.

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Graphical front end for the tcpdump network package sniffer that’s integrated in Mac OS X. Enables you to display all the traffic on the network connections. Manufacturer’s web site currently not available

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Measures data transfer rates in the network (TCP and UDP, under Windows also NetBIOS). Must therefore be run on two computers that can communicate with each other. Free for private use.

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Network analysis and security tool which captures and inspects network traffic data in realtime and helps to detect threats such as data theft or attacks on the network. Allows the import and export of PCAP files and offers various filters for viewing and analysing network data. Download requires registration.

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Windows and NT syslog daemon; receives syslog messages from routers, firewalls, Unix hosts and similar devices in real time. Transmits, analyses, displays and stores. Also available as extended licensed version. Download of trial version requires registration with email address.

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Graphic SFTP and Secure Copy (SCP) tools for Windows. Also available as a portable version. Fast and secure download from The H

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Vulnerability scanner which (similar to Nessus) is based on modular plug-ins for dedicated vulnerabilities. So far 340 plug-ins for various tests are available.

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Finds open access points or hotspots and sets up the connection with a click. Special versions for Pocket PCs and Symbian-based smartphones (Pocket WiFi Radar) also available for purchase.

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Determines internet and network connection response times and data transfer rates. Download requires registration.

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Intercepts network connections. SSH and HTTPS connections can also be redirected. Fast and secure download from The H

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MIB Browser allowing administrators to manage SNMP-enabled network devices and applications. Loads general information from the management information base (MIB) and includes a receiver for receiving special SNMP traps (network data). An enhanced professional version is also available.

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Determines the speed of any download link.

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