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