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

Jim Ray jim at neuse.net
Wed Jan 1 17:07:50 EST 2003


Cool.  When in doubt, lock it out.

> -----Original Message-----
> From: Jason Tower [mailto:jason at cerient.net]
> Sent: Wednesday, January 01, 2003 12:57 PM
> To: trilug at trilug.org
> Subject: Re: [TriLUG] Port Numbers (was: email (imap) setup question)
> 
> 137/udp (name services)
> 138/udp (datagram services)
> 139/tcp (session services)
> 
> On Wednesday 01 January 2003 12:47, Jim Ray wrote:
> > It looks like they both use the same ports.
> >
> > Thanks for the tip on keeping UDP closed for ports 80 and 25.
> >
> > Does NetBIOS/Samba require TCP and/or UDP?
> >
> > > -----Original Message-----
> > > From: Mike Johnson [mailto:mike at enoch.org]
> > > Sent: Wednesday, January 01, 2003 11:28 AM
> > > To: trilug at trilug.org
> > > Subject: Re: [TriLUG] Port Numbers (was: email (imap) setup
question)
> > >
> > > > On DHCP, is that the same thing as bootstrap protocol?
> > >
> > > Sort of.  DHCP uses the BOOTP port (67/UDP for the server), but
the
> > > protocol on the wire is a bit different (you can cram more info in
the
> > > DHCP protocol).
> > >
> > > Mike



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