Do you have any sort of firewall up and running on A or B (hopefully the answer is yes). Are you pinging by IP or name? If by name, does the name actually resolve to the correct IP? Andrew -----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] Sent: Friday, April 28, 2006 1:20 PM To: centos at centos.org Subject: [CentOS] problems with ssh (2) I can ping from A to B, but i can`t form B to A, even when i changed the DNS of A. if anyone can help me, `cuase i saw there was the samw problem in another linux user. ----------------------------------------------------------- Hi..! Get this Exclusive Offer From 30gigs.com. Free Ipod Nano! Click Here. Don't have 30gigs email account yet? Sign up and get your 30GB Webmail account Now!