bin/97499: one of sshd_config(5) options does not work

[Bruce Cran]

The following reply was made to PR bin/97499; it has been noted by GNATS.

From: Bruce Cran <bruce at cran.org.uk>
To: bug-followup at FreeBSD.org, arnoldlee_chn at yahoo.com
Cc:  
Subject: Re: bin/97499: one of sshd_config(5) options does not work
Date: Fri, 28 Mar 2008 23:37:54 +0000

 FreeBSD uses a local patch which calls realhostname_sa in construct_utmp 
 (loginrec.c line 691) which is done regardless of the UseDNS or -u0 
 settings.  The default OpenSSH behaviour is to call 
 get_remote_name_or_ip in session.c, passing in the utmp_len and use_dns 
 values; construct_utmp then just copies the string into the utmp 
 structure instead of doing a DNS lookup itself.  Rev 1.2 of loginrec.c 
 changed this in FreeBSD to avoid overflowing the utmp record.
 
 --
 Bruce