各種

release Nmap 3.45
"-sV"オプションでAdvanced Version Detectionが有効になる。

Gspoof - a TCP/IP Packet Generator(securiteam)

Gspoof is a tool, which makes easier and accurate the building and sending of TCP/IP packets. It works from console (command line) and has an interface graphics written in GTK+ too.

Paros

We wrote a program called "Paros" for people who need to evaluate the security of their web applications. It is free of charge and completely written in Java. Through Paros's proxy nature, all HTTP and HTTPS data between server and client, including cookies and form fields, can be intercepted and modified.