Facing problem with react keyword.!

[parikshit <parikshit () elitecore com>]

Hello , 

 I am facing problem with react keyword . I want to block TCP connection depending on certain keywords in contents. I 
have prepared a content-list file and I think it is okay.

 I want to block sites that have certain keywords in the content.  

 I am writting rule as follows .. 

alert tcp $HOME_NET any -> $EXTERNAL_NET any (content-list:"contentfile.txt";msg:"content list rule violated.Co
nection blocked..";react:block,msg;)

HOME_NET    is the internal physical network.
EXTERNAL_NET is the external world. 
contentfile.txt  is a collection of words one per line that I am looking in the packets for ! 

The rule is not working as I expact. The alerts are generated . but the TCP connections doesn't seems to be blocked.. 

 What should I do  ? 

rgds 
-Parikshit 





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