----- Original Message ----
> From: ann kok <oiyankok@xxxxxxxx>
> To: centos@xxxxxxxxxx
> Sent: Wed, May 5, 2010 9:44:12 PM
> Subject: ssh slow
>
> Hi
> How I can configure sshd_config to improve the ssh faster?
> It is slow to prompt the login
Fix your DNS setup and/or configure it to "UseDNS no".
Such slowdowns happen because sshd tries to get a reverse DNS lookup of your IP address.
It can be a big PITA when you try to login into a server to fix a broken DNS and the login times out because it tries to get a that PTR record back......
Just remember the mantra: "most weird network problems are related to DNS problems....."
Fer
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