Title: Firewalker - a firewall intrusion scanner

KBTAG: kben10000153
URL: http://www.securityportal.com/lskb/10000150/kben10000153.html
Date created: 07/10/2000
Date modified:
Date removed:
Authors(s): Kurt Seifried seifried@securityportal.com
Topic: Firewalker - a firewall intrusion scanner
Keywords: Network/Firewall, Network/Scanner

Summary:

Firewalker is a scanner that uses a method similar to traceroute to find out what a firewall is blocking and what it allows through.

More information:

From the webpage:

Firewalking is a technique developed by Mike D. Schiffman and David E. Goldsmith that employs traceroute-like techniques to analyze IP packet responses to determine gateway ACL filters and map networks. Firewalk the tool employs the technique to determine the filter rules in place on a packet forwarding device. The newest version of the tool, firewalk/GTK introduces the option of using a graphical interface and a few bug fixes.

Downloads:

http://www.packetfactory.net/firewalk/