This document explains what you see in firewall logs, especially what port numbers means. You can use this information to help figure out what hackers/worms are up to. This document is intended for both security-experts maintaining corporate firewalls as well as . . .
This document explains what you see in firewall logs, especially what port numbers means. You can use this information to help figure out what hackers/worms are up to. This document is intended for both security-experts maintaining corporate firewalls as well as home users of personal firewalls.

The link for this article located at Robert Graham is no longer available.