IDS Signatures

["preeth k" <k_preeth () rediffmail com>]

Hi,
 I am designing a Network Intrusion Detection System in Linux. I want to  create a database of intrusion signatures 
using MySQL database. Can anyone please give an idea about what all fields I have to include, how to store packet 
payload, which pattern matching algorithm to use, etc. (Will Boyer-Moore algorithm be appropriate for pattern matching 
in IDS?)
Regards,
Preeth.

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