Re: icmp i want to ignore

[Steve Scott <sjscott007 () earthlink net>]

Don,

        What I do is place a pass rule in my local.rules file.  See the
following:

pass icmp <IP-ADDRESS> any -> $HOME_NET any (msg:"ICMP L3retriever Ping
- MANAGEMENT MACHINE - STEVE"; content:
"ABCDEFGHIJKLMNOPQRSTUVWABCDEFGHI"; itype: 8; icode: 0; depth: 32;
reference:arachnids,311; classtype:attempted-recon; sid:466; rev:1;)

I also put a comment in the msg section explaining why the filter was
added and who added it.

To use this you must have the -o parameter specified when you start
snort. This changes the default rule order.

Steve

On Wed, 2002-06-05 at 14:26, Don wrote:
> the following rule in icmp.rules
> alert icmp $EXTERNAL_NET any -> $HOME_NET any (msg:"ICMP L3retriever Ping";
> content: "ABCDEFGHIJKLMNOPQRSTUVWABCDEFGHI"; itype: 8; icode: 0; depth: 32;
> reference:arachnids,311; classtype:attempted-recon; sid:466; rev:1;)
> triggers an alert for me i wish to ignore, from 1 source IP address, I know
> what causes it on this source, so i wish to ignore this source only, what
> would be the best way for this?
> any suggestions
>
> Don
>
>
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Don't miss the 2002 Sprint PCS Application Developer's Conference
August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm

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