Re: help - React keyword use to display message on web browser

["Al Lewis (allewi)" <allewi () cisco com>]

Hello,

Try running snort with “--daq dump --daq-var load-mode=read-file -Q” so it will dump a file “inline-out.pcap”.

You can check that file to see if the page is being sent. That should tell you if there is something wrong with the 
config or network related.



Albert Lewis
QA Software Engineer
SOURCEfire, Inc. now part of Cisco
9780 Patuxent Woods Drive
Columbia, MD 21046
Phone: (office) 443.430.7112
Email: allewi () cisco com

From: Amul Patel [mailto:amulpatel.biz () gmail com]
Sent: Friday, March 25, 2016 5:59 AM
To: snort-users () lists sourceforge net
Subject: [Snort-users] help - React keyword use to display message on web browser

Hello Team,

I need help to use of react keyword to display message (default or user defined) to web browser.

I am using snort version 2.9.8.0 in linux machine.

I have enabled required command option during configuration as mentioned below:

./configure  --enable-active-response --enable-react --enable-flexresp3 \

I am executing snort as inline mode -

/usr/bin/snort -Q -k  none  -v -dev -c /etc/snort/snort.conf

following the rule i am using

drop tcp any any -> any any (msg: "GET Packet is not 
allowed";content:"GET";nocase;classtype:inappropriate-content;sid:9787879;react,msg)

It is blocking & logging the message in csv log file but does not send default message or rule message to browser.
Just a "connection reset" message is displayed at web browser.

Even I tried lot of different options with different rule, changed sid, no msg keyword with react, snort in tap mode 
etc but does not work any option.

I checked react.c file where default HTTP & HTML page is declared .. tried to understand code as well to see if any bug 
there..

Can any one help me out to display message on web browser ?
Does any firewall rule is also needed or any other setting apart from snort ?


Thanks in Advanced,
Regards,
Amul Patel

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