November 14, 2010

Fix slow SSH login

Problem:

SSH'ing into my Oracle Enterprise Linux server is extremely slow, often taking over a minute.

Solution:

1. Edit /etc/sshd/sshd_config and make sure that the following parameter is set as follows:
UseDNS no
2. Restart SSH as follows:
/etc/rc.d/init.d/sshd restart
Applicable Versions:
  • Oracle Enterprise Linux 4/5
References:

http://www.netadmintools.com/art605.html

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