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ftp and telnet hangs

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Name: Adam Weiner
Date: December 10, 2001 at 19:14:04 Pacific
Comment:

Sparc Solaris 2.6, telnet and ftp hang for 30-60 seconds, then gives login prompt. already restarted inetd through /etc/init.d/inetsvc, arp looks fine although it takes a while, no stray ftpd or telnetd processes, no collisions via netstat. I am completely miffed at this point. Thought appreciated.

Thanks.

Adam



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Response Number 1
Name: Mark M
Date: December 11, 2001 at 02:40:04 Pacific
Reply:

Not sure about this, but you've not got your nsswitch.conf set up funny have you? It seems like there may be something to do with authentication services going on here... perhaps the system is trying to look for passwd via NIS and is timing out, then going over to files?

Try checking /etc/nsswitch.conf to see if you have nis or nisplus in front of "files" after passwd, shadow etc...

It's a long shot but possible I guess.


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Response Number 2
Name: Adam Weiner
Date: December 11, 2001 at 09:53:26 Pacific
Reply:

Mark,

No luck there. I already checked nsswitch, only files and dns. I appreciate the prompt feedback. we are going to run snoop and see if that gets us anywhere. after that, a reboot may be in order to clear any problems with the sbus.

Adam


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Response Number 3
Name: oliver
Date: December 17, 2001 at 06:22:50 Pacific
Reply:

can you do a reverse lookup on the incoming IP address?

Eg. # nslookup 1.2.3.4

If it doesn't return a hostname, that is where the lag is. An easy fix is to add it to /etc/hosts


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