From the developer: ""The StealthNetWall(TM) firewall is a true IP Packet filter. It will prevent PINGS and Trace Routes to your computer. It is simple to install, and there is no complicated configuration needed to protect you from the hackers on the Internet. It is security in a box solution.
""Most firewalls are large and memory consuming applications running on your computers. Some are difficult to understand and configure. The StealthNetWall(TM) product is a kernel level IP packet filtering firewall which protects you from hackers on any network.
""StealthNetWall(TM) will protect your computer from the following: malformed IP packets, IP packets that contain options, Pings, and Traceroutes; and it will also prevent any ICMP redirect requests to your computer. With these features, you will not need to be concerned about your connections to the Internet taking a detour through a hacker's network or about hackers being aware of your computer's presence on the Internet. Use the StealthNetWall(TM)IP Packet filter to make your computer invisible on the Internet or at your office. This packet filter will protect you from hackers.""