or...the whole site...it's very informative!
> If you are a firewall user, the following site is a FAQ on port numbers,
> the meaning of any attempt to connect to your system using port numbers,
> and the level of risk of outsiders trying to connect to port numbers.
> Disclaimer: I have nothing to do with this site, but I have found it handy
> for some of the port numbers that I see in my firewall logs.
Denial of Service Prevention
Intrusion Reporting Services