[c-nsp] debug to see what IP is trying to log in via telnet

Greg Whynott Greg.Whynott at oicr.on.ca
Wed Feb 23 14:48:16 EST 2011


wouldn't the IP of the host it speaks of in the logs?  or does it just say "failed log in from somewhere out on the network"…?

my logs have a src…

 %SEC-6-IPACCESSLOGP: list  denied tcp 88.243.16.148(3900) -> 10.142.7.1(23), 1 packet



-g



On Feb 23, 2011, at 2:40 PM, Alan Buxey wrote:

> hi,
>
> okay...i appear to have mislaid some memory cells over the past month
> which coincides with a major bout of unable to drive google/bing or cisco.com
> properly(!)  ;-)
>
> basically, auth logs show a device somewhere is trying to log into
> some switches with wrong user/pass..... and I cant recall/dig how to
> debug on the switch to see what IP is causing the mischief
>
> the obvious 'debug telnet' only debugs the negotiation/method/junk
> rather than provide anything useful....any chance someone can throw
> me a line to jog my memory on this score?
>
> cheers
>
> alan
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