On Fri, Aug 04, 2006 at 09:16:24PM -0500, Peter Horst wrote: > I switched off GSSAPIAuthentication, to no avail - and oddly enough I'm > connecting to the machine in question via USER@IPADDR, so I don't think > DSN would be implicated, would it? Doesn't matter. It's the machine you're connecting to attempting to do a reverse lookup of the machine you're connecting from. >From man sshd_config: UseDNS Specifies whether sshd should lookup the remote host name and check that the resolved host name for the remote IP address maps back to the very same IP address. The default is "yes". -- Matthew Miller mattdm@xxxxxxxxxx <http://mattdm.org/> Boston University Linux ------> <http://linux.bu.edu/>