Multiple CONTENT: rule

["Ben Johansen" <benj () intelisoft net>]

Hi All.
Lets say I have a file called "calendar.html" in the root of my website.

current rule in web-cgi.rules (giving me false positives)

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"WEB-CGI calendar
access";flags: A+; uricontent:"/calendar"; nocase;
classtype:attempted-recon; sid:882; rev:1;)

to alter the uricontent to exclude calendar.html from triggering the rule
would it look like this?

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"WEB-CGI calendar
access";flags: A+; uricontent:"/calendar"; uricontent:!"/calendar.html";
nocase; classtype:attempted-recon; sid:882; rev:1;)

I Think this rule is for
CVE-2000-0432 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2000-0432

It says under content (pg16) of 1.8.1 Snort Users manual states "Note that
multiple content rules can be specified in one rule" but doesn't give
example

Ben Johansen - www.pcforge.com
list commands: www.pcforge.com/WiTangoTalk.htm



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