[TriLUG] Port Numbers (was: email (imap) setup question)

Lisa C. Boyd lisab at trilug.org
Tue Dec 31 22:46:38 EST 2002


For those of you who (like me) have a hard time remembering what port 
number goes with what, here's a link to the extensive list of numbers:

http://www.iana.org/assignments/port-numbers

This list is not for the faint of heart, but if you search the page for 
a specific number or function it's a good reference.

Lisa B.

Jeremy Portzer wrote:
> Port 113 is used for auth/ident, which is a service that gives the Unix
> userid for the originator of a TCP/IP connection.  It's commonly used by
> IRC but other services sometimes try to use it.  Since your IMAPD is
> probably being "spawned" by either xinetd or inetd, check the [x]inetd
> configuration to turn off ident, and also check the configuration of
> your IMAP server.  (UW IMAP, which is the standard imapd in Red Hat
> Linux, doesn't use ident but other server brands may.)




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