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jubo
Tux's lil' helper
Joined: 30 Aug 2004
Posts: 87
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 Posted: Wed Nov 03, 2004 11:26 pm Post subject: sshd closes connections non deterministically |
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Hi,
I have a server in a remote server farm and periodically sshd will stop responding. I can telnet to port 22 and I get this:
| Code: |
Escape character is '^]'.
SSH-2.0-OpenSSH_3.8.1p1
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but when I try to connect I get the following:
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debug1: Found key in /home/jubo/.ssh/known_hosts:3
debug2: bits set: 535/1024
debug1: ssh_rsa_verify: signature correct
debug2: kex_derive_keys
debug2: set_newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug2: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /home/jubo/.ssh/identity ((nil))
debug2: key: /home/jubo/.ssh/id_rsa ((nil))
debug2: key: /home/jubo/.ssh/id_dsa (*)
Connection closed by *.*.*.*
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Regardless of whether I try to use public key or password, the connection is immediately closed. I can go restart the server and I should be fine, but it is strange that ssh sometimes screws me over. Anyone encounter this? |
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Rav70
l33t
Joined: 11 Feb 2004
Posts: 607
Location: Poland
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| Posted: Thu Nov 04, 2004 9:20 am Post subject: |
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Had similar problems after glibc upgrade. Other symptom was that I could ssh from local network (non-public IP address class). It was sufficient to restart sshd so it started to use the newly-compiled libs.
Regards,
Rav
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jubo
Tux's lil' helper
Joined: 30 Aug 2004
Posts: 87
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| Posted: Thu Nov 04, 2004 9:32 am Post subject: |
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Hmm, I figure a restart will fix it, but I wish this didn't happen to frequently  It has happened to me on two different systems this year, but I guess I am always doing emerge -uD worlds so I get what I deserve. |
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JonnyRo
Tux's lil' helper
Joined: 07 Apr 2003
Posts: 120
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| Posted: Sat Nov 27, 2004 5:03 am Post subject: sshd login failures |
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Thanks for posting your experience. I thought I was losing my mind when I could only log in from some hosts and not others. Restarting sshd fixed the problem.
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Jonathan S. Romero
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http://jonnyro.com |
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soth
Apprentice
Joined: 12 Sep 2003
Posts: 207
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| Posted: Sun Nov 28, 2004 2:58 pm Post subject: |
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glibc seems to be the culprit. restarting sshd solves it, but it's damn annoying when you remoteadmin =|
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kallamej
Administrator
Joined: 27 Jun 2003
Posts: 4975
Location: Gothenburg, Sweden
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