Hello Scott,

>In your case a 'man xl' will help

This is what I get:

No manual entry for x1

>I agree that it looks like an external attack. Either SMTP based as Len
>has suggested or a more general attack. It is probably going to be
>easier to diagnose this from the border router, depending on what it
is.

It's a Cisco router.

>You should be able to increase the traffic logging on the router and
take
>a look at the traffic. If may be of a specific type or from/to a
>specific address and/or port. If so you should be able to implement
some type
>of ACL's to block the traffic

That's exactly my plan, I've started logging all the incoming traffic,
now I'll have to wait until the next attack happens, depending on what
they're doing I'll block the corresponding addresses/ports.

Thank you for all your help.

Adolfo Justiniano
Santa Cruz BBS
e-mail: [EMAIL PROTECTED]
http://www.scbbs.net 

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