[CentOS] how to debug ssh slow connection issues.

Jason Pyeron jpyeron at pdinc.us
Mon May 26 00:40:20 UTC 2008



> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Jason Pyeron
> Sent: Sunday, May 25, 2008 3:27 PM
> 
> > -----Original Message-----
> > From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> > Behalf Of Jay Leafey
> > Sent: Sunday, May 25, 2008 2:17 PM
> >
> >
> >  From the earlier posts, it appears that your DNS server is not properly
> > resolving the REVERSE addresses, i.e. IP address-to-hostname.  SSH does
> > a reverse lookup, trying to resolve the IP address to a hostname, unless
> > you set the "UseDNS" option to "no".
> 
> Agreed, but all of my tests indicate DNS is fine
> 
> 

I have also checked the /etc/host* files, all is empty.

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