"Last login" message

[Gary Gatten]

I would guess sshd is doing a reverse lookup on the ip your connecting from. If it resolves you get the FQDN, else just the IP. 

----- Original Message -----
From: owner-freebsd-questions at freebsd.org <owner-freebsd-questions at freebsd.org>
To: questions at freebsd.org <questions at freebsd.org>
Sent: Thu Dec 03 17:16:54 2009
Subject: "Last login" message

When I ssh to my FreeBSD machine, I get something like this:

Last login: Thu Dec  3 15:12:40 2009 from 11.22.33.44
Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994
        The Regents of the University of California.  All rights reserved.

FreeBSD 7.1-RELEASE-p9 (DAFFY) #0: Thu Dec  3 11:33:28 PST 2009



..where "11.22.33.44" is an IP address.  However, sometimes, in place
of an IP address I get a truncated hostname, for example
"daffy.nerius.co" (note the last 'm' missing).
I was wondering what controls this, meaning if I get an IP or a
hostname, and why it's being truncated.
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