MSR Strider URL Tracer is a project from Microsoft Research that enables you to scan a domain name to see the third party domains that it serves content from and/or whether the site is being redirected. I addition, the tool includes a feature that... [Read more]

YAPS is short for "Yet Another Port Scanner", and this is exactly what this is. In fact, Yaps is a very basic but small and fast TCP/IP port scanner with little configuration options and a fairly plain interface.... [Read more]

Rogue DHCP Server Detection is a free tool from the Microsoft DHCP Team that enables network administrators to detect potentially rogue DNS servers on the subnet. The program scans the selected subnet and produces a list of all DHCP servers, marki... [Read more]

Nmap ( with Zenmap GUI) is a utility for network exploration and security auditing, that can help network administrators discover available hosts and find out what services they are running, operating systems installed and many other details. The ... [Read more]

SuperScan is a powerful TCP port scanner, that includes a variety of additional networking tools like ping, traceroute, HTTP HEAD, WHOIS and more. It uses multi-threaded and asynchronous techniques resulting in extremely fast and versatile scannin... [Read more]

Advanced Port Scanner is a small, fast and easy-to-use port scanner that runs multi-threaded for optimum performance. It provides descriptions for the common ports and can perform scans on predefined port ranges or based on custom port lists. ... [Read more]

SoftPerfect Network Scanner is a multi-threaded IP, SNMP and NetBIOS scanner with a modern interface and several advanced features. It is intended for both system administrators and users who are interested in computer security.... [Read more]