Re: Flex-Response, anyone using it?

[James Riden <j.riden () massey ac nz>]

<CGhercoias () TWEC COM> writes:

> Here you go:
>
> alert any $EXTERNAL_NET any -> $HOME_NET 25 ( sid: 1000589; rev: 1; msg:
> "Drop Email -- Waste of time"; content: "billygates_sux () hotmail com";
> content: "IDont ThinkSo"; resp: rst_snd,icmp_all; classtype:
> bothering-activity;) 

Incidentally, this is a great example of how not to use snort - much
better to drop the message at the MUA, or on the MX if it's a
site-wide issue.

That's one of the dangers of using flexresp - you've got a big hammer
so you're tempted to go looking for things that look like nails.

-- 
James Riden / j.riden () massey ac nz / Systems Security Engineer
Information Technology Services, Massey University, NZ.
GPG public key available at: http://www.massey.ac.nz/~jriden/



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