RE: Need help writing rule

["Wirth, Jeff" <WirthJe () DNB com>]

> I was interested in writing a Snort rule that checks for existance of the
DF
> or Don't Fragment flag in a packet header. Does anyone know if this is
> possible with Snort?

Checkout the "fragbits" section in "Writing Snort Rules"...

http://www.snort.org/docs/writing_rules/chap2.html#tth_sEc2.3.7


- Jeff

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