Snort mailing list archives

Re: Rules with SDF options cannot have other detection options in the same rule


From: Joel Esler <jesler () sourcefire com>
Date: Tue, 1 Feb 2011 13:48:01 -0500

And the only difference is to add in the --enable-flexresp3?

Joel

On Tue, Feb 1, 2011 at 11:27 AM, Michael Scheidell <
michael.scheidell () secnap com> wrote:

 when compiling snort WITHOUT flexresp3, SDF rules will fail:

ERROR: /usr/local/etc/snort/./preproc_rules/sensitive-data.rules(1) Rules
with SDF options cannot have other detection options in the same rule.

this ./configure:

--enable-dynamicplugin --enable-build-dynamic-examples  --enable-reload
--enable-reload-restart  --disable-corefiles
--with-dnet-includes=/usr/local/include/libnet11
--with-dnet-libraries=/usr/local/lib/libnet11 --with-mysql=no --with-odbc=no
--with-postgresql=no --disable-prelude --enable-gre --enable-mpls
--enable-decoder-preprocessor-rules --enable-zlib-enable-normalizer
--prefix=/usr/local

i googled, but only see this: (with no answer yet)
<http://seclists.org/snort/2010/q2/826><http://seclists.org/snort/2010/q2/826>

if the answer is 'add --enable-flexresp3'.  then fine, but it doesn't make
sense unless I don't understand the error.

stock sensitive-data.rules:

alert tcp $HOME_NET any -> $EXTERNAL_NET [80,20,25,143,110]
(msg:"SENSITIVE-DATA Credit Card Numbers"; metadata:service
http, service smtp, service ftp-data, service imap, service pop3;
sd_pattern:2,credit_card; classtype:sdf; sid:2; gid:138;
rev:1;)


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Michael Scheidell, CTO
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-- 
Joel Esler
Skype:eslerjoel
http://blog.snort.org && http://blog.clamav.net
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