Ryan J M wrote:
> The waiting time is about 50s on my CentOS box now. "yum remove
> openssh* "and "yum install openssh*" can't make it right. "mv
> ~/.ssh{,.bak}" not works either.
> Here comes my tcpdump log, I am not an expert on SSH, Can anyone here
> get me out of this?
>
The answering sshd will do a reverse DNS lookup on the connecting IP
address. That's about the right time to wait for timeouts from 2 DNS
servers if they don't respond.
--
Les Mikesell
lesmikesell at gmail.com