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тАО09-18-2009 07:15 AM
тАО09-18-2009 07:15 AM
Re: SSH Authentification very slow on HPUX 11.31
# ssh -version
OpenSSH_5.2p1+sftpfilecontrol-v1.3-hpn13v5, OpenSSL 0.9.8k 25 Mar 2009
HP-UX Secure Shell-A.05.20.014, HP-UX Secure Shell version
Same problem - slow interactive but fast with embedded commands. Our slow interactive problem was fixed when we crushed wtmp and wtmpx. Thanks, Olivier.
John
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тАО02-25-2010 09:50 AM
тАО02-25-2010 09:50 AM
Re: SSH Authentification very slow on HPUX 11.31
HP-UX Secure Shell Software - Logins Slower after Update to Version A.04.70.010
ISSUE:
User was running HP-UX Secure Shell-A.04.30.007 and all was working OK. He updated to a more current version (A.04.70.10) and now his logins take 10-15 seconds to complete. The delay appears after entering the password.
SOLUTION:
The newer version of the ssh daemon (/usr/bin/sshd) will read the entire file /var/adm/wtmps if it exists. Since this file grows without bound, it can become exceeding large and cause delays in the login process.
The man page for wtmps states:
Note that wtmps and btmps tend to grow without bound, and should be checked regularly. Information that is no longer useful should be removed periodically to prevent the file from becoming too large. Also note that wtmps and btmps are not created by the programs that maintain them. Thus, if these files are removed, login record-keeping is turned off.
If the size of the file is very large, it may be truncated with:
# cat /dev/null > /var/adm/wtmps
This should improve the login times. You do not need to restart the daemon.
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тАО03-16-2010 05:25 AM
тАО03-16-2010 05:25 AM
Re: SSH Authentification very slow on HPUX 11.31
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тАО01-11-2011 01:23 PM
тАО01-11-2011 01:23 PM
Re: SSH Authentification very slow on HPUX 11.31
# cat /dev/null > /var/adm/wtmps
as we don't use telnet (disabled)
Thank you all
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тАО06-21-2016 11:23 AM
тАО06-21-2016 11:23 AM
Re: SSH Authentification very slow on HPUX 11.31
Thanks a lot! It solve my problem too.
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