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тАО02-18-2009 11:32 AM
тАО02-18-2009 11:32 AM
SSH Authentification very slow on HPUX 11.31
I've been having theses issues with 2 specific HPUX 11.31 boxes. When ever I login to theses using SSH/SFTP it is extremely slow to connect to.
Now, I've noticed that if I use Keyboard-Interactive Authentication with my SSH clients, it's fine! But any other choice will be very slow! Now, we use a lot UltraEdit with SFTP on theses boxes. Unfortunately, they don't have the option to use Keyboard-Interactive by default in this client.
How can I change this server side? What's funny is that I've got one other 11.31 box which is just fine. I've compared their Secure_Shell version (A.05.10.008), their sshd_config and the pam.conf. All the same.
Can anyone help?
Thanks so much!
Pat.
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тАО02-18-2009 11:40 AM
тАО02-18-2009 11:40 AM
Re: SSH Authentification very slow on HPUX 11.31
Few possibilities.
I've seen quite a few complaints about this version of Secure Shell. A prior or upcoming version might work a little better.
This seems to me like a problem with the binaries.
also possible:
Slow DNS resolution
Network speed (use lanadmin to make sure you are getting full duplex).
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
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тАО02-18-2009 11:48 AM
тАО02-18-2009 11:48 AM
Re: SSH Authentification very slow on HPUX 11.31
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тАО02-18-2009 12:02 PM
тАО02-18-2009 12:02 PM
Re: SSH Authentification very slow on HPUX 11.31
you can also check the /etc/nsswitch.conf file... hosts and also ipnodes should have files...dns.. entry
if the dns is on the first place try first files then dns and add in the /etc/hosts the ip fqdn alias for the client system to see whether the situation is the same
hope it helps
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тАО02-18-2009 01:59 PM
тАО02-18-2009 01:59 PM
Re: SSH Authentification very slow on HPUX 11.31
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тАО02-18-2009 02:38 PM
тАО02-18-2009 02:38 PM
Re: SSH Authentification very slow on HPUX 11.31
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тАО02-18-2009 05:39 PM
тАО02-18-2009 05:39 PM
Re: SSH Authentification very slow on HPUX 11.31
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тАО02-18-2009 08:11 PM
тАО02-18-2009 08:11 PM
Re: SSH Authentification very slow on HPUX 11.31
try to see where in the procedure the delay
occurs?
Any difference if the client is the same as
the server?
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тАО02-19-2009 10:36 AM
тАО02-19-2009 10:36 AM
Re: SSH Authentification very slow on HPUX 11.31
I'm even able to reproduce / fix the problem with PuTTY. Within putty, if I go to the Connection / SSH / Auth menu, there's an option to use "Attempt Keyboard-Interactive auth". It's on by default. If I login with that, it's fast. However, turning that OFF will make it slow.
I would need to same option with my other SSH Client (UltraEdit in this case), but it's not there. Now, I want to know how to fix that server side instead... if possible.
I'm attaching a screenshot of my putty.
Cheers. Pat
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тАО02-19-2009 11:31 AM
тАО02-19-2009 11:31 AM
Re: SSH Authentification very slow on HPUX 11.31
http://www.ultraedit.com/support/tutorials_power_tips/ultraedit/ssh_telnet.html
See section 3d regarding authentication methods....