Frequently occuring sshd Error message

[Deepak Vyas]

Hi Marcus,

I have OpenSSH_3.5p1, SSH protocols 1.5/2.0, OpenSSL 0x0090700f installed on my Sun 480R server and frequently get the following error messages in the /var/adm/messages file.

Someone please help as to how I can prevent these messages from occuring and how serious they are....

Mar 19 17:21:18  last message repeated 39 times
Mar 19 17:21:30 sshd[683]: [ID 800047 auth.error] error: accept: Software caused connection abort
Mar 19 17:22:18 last message repeated 5 times
Mar 19 17:22:27 su: [ID 810491 auth.crit] 'su root' failed for oracle on /dev/pts/30
Mar 19 17:22:30 sshd[683]: [ID 800047 auth.error] error: accept: Software caused connection abort
Mar 19 17:22:58 last message repeated 3 times
Mar 19 17:23:00 sshd[29070]: [ID 800047 auth.crit] fatal: Write failed: Broken pipe

I have removes the Company hostname for internal reasons....

One more thing to note is that this event actually occurs 4 minutes before Oracle user actually logs out..... any similarities w.r.t this

host1# last oracle
oracle    pts/31       10.33.12.182     Wed Mar 19 16:10 - 17:27  (01:17)
oracle    pts/30       10.27.5.14       Wed Mar 19 11:47 - 00:39  (12:51)

Please help asap.

Regards
Deepak Vyas
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