Nsauditor Network Security Auditor is a complete networking utilities package that includes a wide range of tools for network auditing, scanning, monitoring and more. You can discover network services and check them for vulnerabilities, list all TCP and UDP endpoints with their associated process, discover NetBios names, audit MS SQL servers, scan for common Adware traces and more. The program also includes real-time network packet filtering and analyzing, web proxy scanning, password auditing, IP address lookup and more than 35 network tools for scanning, sniffing, enumerating and gaining access to machines, DNS and WHOIS lookups, e-mail validation, HTTP traffic generator and intrusion detection based on security events log. Reports can be generated in HTML and XML format. Overall, this is a very complete package for a surprisingly low price.