----- Original Message ---- > From: ann kok <oiyankok at yahoo.ca> > To: centos at centos.org > Sent: Wed, May 5, 2010 9:44:12 PM > Subject: [CentOS] 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