Snort mailing list archives

Re: Newbie "what does this mean" question


From: Alberto Gonzalez <ag-snort () cerebro violating us>
Date: Fri, 18 Oct 2002 15:10:00 -0700

first, IMHO you should upgrade your snort distribution. (eg 1.9.0 http://www.snort.org/dl/snort-1.9.0.tar.gz) actually its pretty sel explanatory what this is, ICMP _destination unreachable_. Alot of things could cause this.
I usally get these messages from my ISP's router.


Ian Hunter wrote:

I'm running snort-1.8.4-3 on SuSE 8.0, and I'm getting TONS of messages that
look like:

Oct 18 14:38:19 lucy snort: [1:485:2] ICMP Destination Unreachable
(Communication Administratively Prohibited) [Classification: Misc activity]
[Priority: 3]: {ICMP} 130.59.33.17 -> 192.168.1.20

The FAQ says ignore it unless there are lots, and if there are lots, figure
out where they're coming from. ???

What causes this?

Thanks!



--
The secret to success is to start from scratch and keep on scratching.




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