PktFilter is a software that can configure the IP filtering device driver found in Windows 2000/XP/Server 2003, with filtering rules following a syntax similar to IP Filter
an interactive HTTP/S proxy server for attacking and debugging web-enabled applications. It operates as a man-in-the-middle between the end browser and the target web server, and allows the user to intercept, inspect and modify the raw
an application that lets you monitor TCP and UDP activity on your local system. It a powerful tool for tracking down network-related configuration problems and analyzing application network usage.
web server scanner which performs comprehensive tests against web servers for multiple items, including over 3300 potentially dangerous files/CGIs, versions on over 625 servers, and version specific problems on over 230 servers. Scan items and plugins are
a collection of utilities and technical information related to Windows internals by Mark Russinovich and Bryce Cogswell. Microsoft acquired Sysinternals in July, 2006.
a suite for man in the middle attacks on LAN. It features sniffing of live connections, content filtering on the fly and many other interesting tricks.
combines Comodo's sturdy firewall and state-of-the-art antivirus protection in one suite. Defends your PC against 1 billion executables including viruses, root kits, Trojans, and zero-day attacks. And even with all these great features, CIS is free. Users are also asked to install the Comodo SafeSearch and Ask.com toolbars, so be careful.