Secure Shell
ssh hangs after SSH2_MSG_SERVICE_ACCEPT Jul 25 2010 06:57AM
Kosala Atapattu (kosala atapattu gmail com)
Hi All,

My servers suddenly started giving problem across all the machines.
When I try to connect, the ssh debug output stops near the
SSH2_MSG_SERVICE_ACCEPT and then continues after a minute or so.

root@s2spr1[/home/root] #ssh -v t1was1_nim
OpenSSH_5.2p1, OpenSSL 0.9.8k 25 Mar 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Failed dlopen: /usr/krb5/lib/libkrb5.a(
0509-022 Cannot load module /usr/krb5/lib/libkrb5.a(
0509-026 System error: A file or directory in the path name
does not exist.

debug1: Error loading Kerberos, disabling Kerberos auth.
debug1: Connecting to t1was1_nim [] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug1: identity file /home/root/.ssh/identity type -1
debug1: identity file /home/root/.ssh/id_rsa type -1
debug1: identity file /home/root/.ssh/id_dsa type 2
debug1: Remote protocol version 2.0, remote software version OpenSSH_5.2
debug1: match: OpenSSH_5.2 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.2
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 't1was1_nim' is known and matches the RSA host key.
debug1: Found key in /home/root/.ssh/known_hosts:79
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_ACCEPT received

I have not changed anything in these machines. This is just a sudden
move. These servers are on AIX.

Disclaimer: Views expressed in this mail are my personal views and
they would not reflect views of the employer.

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