Re: [CentOS] ssh slow

2010-05-06 Thread Gary Greene
On 5/6/10 10:20 AM, "Tait Clarridge" 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 with a log

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 /et

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 Ub

Re: [CentOS] ssh slow

2010-05-06 Thread John Doe
From: ann kok > 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 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 CentOS@ce

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 wrote: > From: John R Pierce > Subject: Re: [CentOS] ssh slow > To: "CentOS mailing list" > Received: Wednesday, May 5, 2010, 8:52 PM > ann kok wrote: > >

Re: [CentOS] ssh slow

2010-05-05 Thread Fernando Gleiser
- Original Message > From: ann kok > 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 co

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 li

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 wrote: > From: Barry Brimer > Subject: Re: [CentOS] ssh slow > To: "CentOS mailing list" > Received: Wednesday, May 5, 2010, 8:47 PM > > How I can configure sshd_config

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 CentOS@cento

[CentOS] ssh slow

2010-05-05 Thread ann kok
Hi How I can configure sshd_config to improve the ssh faster? It is slow to prompt the login Thank you ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

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 passwo

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 M

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 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+ se

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 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 AN

[CentOS] SSH slow

2010-01-18 Thread ML
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 get logged in and g