Intrusion Detection System - has a database of Bad Things, and sniffs the network looking for Bad People trying to do Bad Things to the network. Their efficacy is very disputed, but it was quite a growth market for startups a while back. Matt ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Niall Litchfield Sent: Tuesday, June 09, 2009 6:09 PM To: mkb125@xxxxxxxxx Cc: ORACLE-L Subject: Re: Open Source Database Questions IDS? Niall Litchfield Oracle DBA http://www.orawin.info