On 4/3/06, siva m <tech.sivam at gmail.com> wrote: > Hi, > I have CentOS 4.3 running on my AMD Athlon XP(32 bit) PC and Windows 2000 > running on my other Intel P3 PC(These 2 PCs are connected using a network > switch). Basically I use the one running Linux as back end server and > everything was fine so far. But recently I am experiencing some delay in > loggin in to CentOS through SSH. > > The Putty client which I use generally opens up asking for username > prompt(no delay in that) but after entering the password it takes atleast > 10-15 seconds gap before I logged in. > It was fine before and I am sure I didn't made any changes to linux > configuration. Can anyone please help me with this issue. > > By the way I always use the IP address like($ ssh user at 192.168.0.xxx without > any hostname) This is where ssh is doing a reverse DNS lookup, which is failing and timing out. Set up DNS , or turn off the reverse lookup check in the sshd config. Of the two, setting up DNS is the best option, but involves a bit more work. -- Any sufficiently advanced technology is indistinguishable from magic. -Arthur C. Clarke