tcping.exe is a small console application that operates similarly to ‘ping’, however it works over a tcp port. License: GPL - Platforms: Win XP, Vista 7 When I have to test if a TCP connection works, like when configuring a NAT or ACL rule, usually I telnet the specific port. TCPing allows to keep the ping active on the port to check when the rule works: <img src="http://www.ifconfig.it/images/tcping.png" alt="">
A lot of useful tools to manage and monitor Windows: “The Sysinternals web site was created in 1996 by Mark Russinovich and Bryce Cogswell to host their advanced system utilities and technical information. Whether you’re an IT Pro or a developer, you’ll find Sysinternals utilities to help you manage, troubleshoot and diagnose your Windows systems and applications.” I use TCP View a lot when I configure firewalls, the ports used by applications are often not well documented.
Sometimes you just need some privacy when browsing the Internet: "Tor was originally designed, implemented, and deployed as a third-generation onion routing project of the U.S. Naval Research Laboratory. It was originally developed with the U.S. Navy in mind, for the primary purpose of protecting government communications. Today, it is used every day for a wide variety of purposes by normal people, the military, journalists, law enforcement officers, activists, and many others.
Glogg is a tool to browse and search through text files. I find it very useful to search in log files, it’s light and fast. It can also “follow” a file, so there’s no need to reopen the file or refresh if something changes. You can download glogg for Linux or Windows HERE
Quite often when a network configuration includes authentication or 802.1x on network devices Radius is the protocol of choice. NtRadPing is a free utility to test a Radius server. The usage is simple: insert the IP address of the radius server, the secret, user name and password of the user to test. Remember to add the IP of the PC as NAS on the Radius server to allow request to be processed and answered.
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