Peter Kiem <[EMAIL PROTECTED]> said:

> One of my systems just emailed me with this:
> 
> Mar  5 13:36:52 firewall sshd[3524]: Disconnecting: crc32 compensation 
> attack: network attack detected
> Mar  5 13:38:47 firewall sshd[3537]: Disconnecting: crc32 compensation 
> attack: network attack detected

Actually I just found this link 
http://razor.bindview.com/publish/advisories/adv_ssh1crc.html

It is an attack against SSH protocol 1.

Note if you are running OpenSSH prior to version 2.3.0 then unless you 
disable SSH protocol 1 you ***ARE VUNERABLE***

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