Randy in Nevis

John Peach john-nanog at johnpeach.com
Tue Sep 28 13:05:11 CDT 2010


On Tue, 28 Sep 2010 17:39:33 +0000
Nathan Eisenberg <nathan at atlasnetworks.us> wrote:

> > >> 465 is not an odd-ball port, it's the standard well-known port
> > >> for STMPS.
> > >
> > > It is? That's not what's recorded at:
> > http://www.iana.org/assignments/port-numbers
> > >
> > > urd             465/tcp    URL Rendesvous Directory for SSM
> > > igmpv3lite      465/udp    IGMP over UDP for SSM
> > >
> > 
> > Microsoft frequently has different ideas about things.
> > 
> > ~Seth
> 
> FWIW - 465 is widely deployed as SMTPS, in more than just MS
> products.  I'm actually quite surprised it's not in the well known
> ports list.
> 
It is on all Linux distros:

ssmtp           465/tcp         smtps           # SMTP over SSL

-- 
John




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