RE: connection request to port 25

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Can you get any useful information by attempting your own connection to that
port? For example a telnet to it?

-----Original Message-----
From: Joe Dauncey [mailto:toothbrushhead_at_yahoo.com]
Sent: Sunday, June 18, 2000 10:02 AM
To: SHAIFUL HASHIM
Cc: ids_at_uow.edu.au
Subject: Re: IDS: connection request to port 25

Archive: http://msgs.securepoint.com/ids
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IDS: http://www-rnks.informatik.tu-cottbus.de/~sobirey/ids.html
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-
This sounds like an attempted SYN attack. Though I would have thought that
for it
to be successful the impact should be much more noticeable.

Joe

SHAIFUL HASHIM wrote:

> Archive: http://msgs.securepoint.com/ids
> FAQ: http://www.ticm.com/kb/faq/idsfaq.html
> IDS: http://www-rnks.informatik.tu-cottbus.de/~sobirey/ids.html
> HELP: Having problems... email questions to ids-owner_at_uow.edu.au
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-
> Hi all,
>
> I believed one of the workstations in my university has been compromised.
I've
> monitored any connection from outside to the machine using snort. What
I've
> got are overwhelming connection request to port 25 with SYN bit set from
> multiple of hosts. Currently the mail has not been used much but the log
have
> shown that the mail port is very active. Can you tell me what sort of
attack
> this might be and what is possibly going on?
>
> Thanks
> Shaiful
> UKM
>
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Received on Jun 19 2000