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This development of the discontinued Ethereal project logs and analyses data traffic on the network. Includes the required WinPCap. Portable version also available. Fast and secure download from The H

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Monitors bandwidth, availability and all inbound and outbound data packets in networks and analyses the data stream. Outputs comprehensive evaluations of the monitored data and warns the administrator by email, SMS, pager or other means when an error is detected. Also available, for a fee, as a version for monitoring more than ten sensors.

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Logs HTTP traffic between computer and the internet by using a debugging proxy and saves it to a file, sets breakpoints and manipulates the incoming and outgoing data stream.

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Windows task manager for networks. Displays all running Windows processes on any computer on the network. Displays filename, full path, number of threads, process priority and RAM and CPU utilisation. Uses the WMI service built into Windows and therefore requires no installation on the client computers.

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A LAN and WLAN sniffer which tracks the IP, TCP, UDP and other packets.

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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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Web-based tool for analysing bandwidth in real time. Helps identify network bottlenecks by evaluating network flow data and creating detailed reports about bandwidth load, IP traffic and the top talkers.

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Windows driver and packet capture library for logging network packets. Required by Wireshark and Nmap.

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Sends ARP requests in a network to a host (specified by a MAC address) and displays the replies. The Windows version requires WinPcap and can be accessed from the FTP directoryof the developer.

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Analyses, debugs, monitors and evaluates LAN and internet connections.

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Twelve tools for network management tasks, such as monitoring the network and its performance, analysing problems, and protecting and managing the network. It also provides basic statistics about network accesses (Ping, Trace, DNS & Whois Lookup). Fast and secure download from The H

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

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Enhanced ping program with a high time resolution. Specifically designed for broadband/DSL connections.

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Tool for testing web and FTP servers as well as other web services, such as JDBC databases.

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Tests the connection to any internet address. Extended versions provide information about web pages and IP addresses as well.

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Security scanner suite for client and server. Find out more about version 4.2 at The H.

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Displays current internet and network connections in a graphical interface. Includes a number of IP tools. Also available as a restricted Lite version.

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Tests the performance and availability of your network connection (intranet and internet) and diagnoses problems. Shows the cause (your computer, the provider or the internet) and provides extensive information about the connection, such as trace route, IP address locations or ping times.

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Network monitor and log analyser. Records data traffic and displays it with log information. For more details go to Network Monitor in the Microsoft TechNet Blog.

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Displays network switches and provides information about the port name, speed, status, port use and activities. Can help you to find and resolve LAN problems. Download requires registration.

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