[NTLUG:Discuss] How does this happen?

[Kelly Scroggins]

I found this in my /var/log/secure file today.  I've never seen this
type of entry before.

Anyone know how an attacker can make this happen?

Sep 29 04:34:41 c55493-a in.telnetd[6471]: refused connect from unknown
Sep 29 04:34:41 c55493-a in.telnetd[6472]: warning: can't get client
address: Connection reset by
peer
Sep 29 04:34:41 c55493-a in.telnetd[6472]: refused connect from unknown
Sep 29 04:34:41 c55493-a in.telnetd[6473]: warning: can't get client
address: Connection reset by
peer

Thanks,
kelly