Does a good 'at a glance' reference exist for which applications use what ports? Other than going into great detail about networking.. Just a curiosity maybe for those configuring their own Firewalls? Thanks to those who have been supplying this valuable information! On 1/4/03 12:52 PM, "Chris Olson" <chris at astcomm.net> wrote: > Loren Schooley wrote: > >> TCP port 5631. This allow you to run a PCAnywhere host and use the Internet >> to connect back and remotely control your PC. > > And port 5900 for VNC is another commonly used one. VNC will use 5900 > for the first connection to a server, then 5900+1 for each subsequent > simultaneous connection. Bill Reburn