Re: [CentOS] ssh slow

2010-05-06 Thread ann kok
but I put this to no the ssh is still slow any hints thank you --- On Wed, 5/5/10, John R Pierce pie...@hogranch.com wrote: From: John R Pierce pie...@hogranch.com Subject: Re: [CentOS] ssh slow To: CentOS mailing list centos@centos.org Received: Wednesday, May 5, 2010, 8:52 PM ann kok

Re: [CentOS] ssh slow

2010-05-06 Thread Les Mikesell
ann kok wrote: but I put this to no the ssh is still slow Did you restart the sshd service after the change? I don't know if it reads the config file otherwise. -- Les Mikesell lesmikes...@gmail.com ___ CentOS mailing list

Re: [CentOS] ssh slow

2010-05-06 Thread John Doe
From: ann kok oiyan...@yahoo.ca ssh is still slow Tried to use verbose to see what's going on...? ssh -vvv JD ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] ssh slow

2010-05-06 Thread Khusro Jaleel
I've found that if I'm on an Ubuntu machine and SSHing to a Centos 5.4 machine, it does the same thing, i.e. it sort of hangs for a while then comes back after about 10-15 secs with a login prompt. I've found that editing the /etc/ssh/ssh_config (note ssh_config, NOT sshd_config) file on the

Re: [CentOS] ssh slow

2010-05-06 Thread Tait Clarridge
On Thu, 2010-05-06 at 16:39 +0100, Khusro Jaleel wrote: I've found that if I'm on an Ubuntu machine and SSHing to a Centos 5.4 machine, it does the same thing, i.e. it sort of hangs for a while then comes back after about 10-15 secs with a login prompt. I've found that editing the

Re: [CentOS] ssh slow

2010-05-06 Thread Gary Greene
On 5/6/10 10:20 AM, Tait Clarridge t...@clarridge.ca wrote: On Thu, 2010-05-06 at 16:39 +0100, Khusro Jaleel wrote: I've found that if I'm on an Ubuntu machine and SSHing to a Centos 5.4 machine, it does the same thing, i.e. it sort of hangs for a while then comes back after about 10-15 secs

Re: [CentOS] ssh slow

2010-05-05 Thread Barry Brimer
How I can configure sshd_config to improve the ssh faster? It is slow to prompt the login That usually indicates a DNS problem. sshd tries to do a reverse DNS resolution to lookup the connecting client. Barry ___ CentOS mailing list

Re: [CentOS] ssh slow

2010-05-05 Thread ann kok
I heard it before but how can be solved? Thank you --- On Wed, 5/5/10, Barry Brimer li...@brimer.org wrote: From: Barry Brimer li...@brimer.org Subject: Re: [CentOS] ssh slow To: CentOS mailing list centos@centos.org Received: Wednesday, May 5, 2010, 8:47 PM How I can configure

Re: [CentOS] ssh slow

2010-05-05 Thread John R Pierce
ann kok wrote: Hi How I can configure sshd_config to improve the ssh faster? It is slow to prompt the login badly configured reverse DNS on the client hosts is the most common cause of this. try ... UseDNS no ___ CentOS mailing list

Re: [CentOS] ssh slow

2010-05-05 Thread Fernando Gleiser
- Original Message From: ann kok oiyan...@yahoo.ca To: centos@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

Re: [CentOS] SSH slow

2010-01-19 Thread Timo Schoeler
On 01/19/2010 12:26 AM, Les Mikesell wrote: ML wrote: Hi All, All of my systems are running 5.4 x64. The are all AMD x64 processors with at least 2gb of RAM in each. I am running SSH on a non standard port. When I SSH into ANY of my systems, I get prompted for my password right away,

Re: [CentOS] SSH slow

2010-01-18 Thread Brett Serkez
In /etc/ssh/sshd_config change: UseDNS yes to UseDNS no Brett On Mon, Jan 18, 2010 at 6:08 PM, ML mailingli...@mailnewsrss.com wrote: Hi All, All of my systems are running 5.4 x64. The are all AMD x64 processors with at least 2gb of RAM in each. I am running SSH on a non standard port.

Re: [CentOS] SSH slow

2010-01-18 Thread Les Mikesell
ML wrote: Hi All, All of my systems are running 5.4 x64. The are all AMD x64 processors with at least 2gb of RAM in each. I am running SSH on a non standard port. When I SSH into ANY of my systems, I get prompted for my password right away, but after entering, it takes 30+ seconds to

Re: [CentOS] SSH slow

2010-01-18 Thread John R Pierce
Brett Serkez wrote: In /etc/ssh/sshd_config change: to UseDNS no or, fix the reverse delegation in DNS.its trying to look up the in-addr.arpa zone for your IP, and the subnet delegation is broken and pointing to a black hole thats not replying

Re: [CentOS] SSH slow

2010-01-18 Thread ML
Brett, Les, Thanks for the pointer, this worked. I knew it had to be DNS or maybe my system was really busy, but it is a very small web-server. -Jason On Jan 18, 2010, at 3:12 PM, Brett Serkez wrote: In /etc/ssh/sshd_config change: UseDNS yes to UseDNS no Brett On Mon, Jan