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IDS/IPS Perfromance
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Topic: IDS/IPS Perfromance (Read 9259 times)
madswitcher
Jr. Member
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Posts: 6
IDS/IPS Perfromance
«
on:
Thursday 09 August 2012, 05:04:46 am »
Hi All,
has anyone come across a performance limit when running the IPS module?
I am running version 2.5.1 with the proxy running transparently and a fairly light rule set on the firewall. My line speed is about 106Mb/s, but drops down to about 35Mb/s when I turn the IPS on.
The hardware is quite nifty, 1Gb/s NICS, No memory or swap pressure. Disc I/O is about 1 per second average. CPU is ticking over at about 5.8 % User and 1.6% System with or without the IPS. Memory is 1GBytes with Used peaking at 34%.
Any thoughts or suggestions?
Thanks and regards
Mike
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oakleeman
Full Member
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Posts: 12
Re: IDS/IPS Perfromance
«
Reply #1 on:
Monday 20 August 2012, 07:33:33 am »
This is a known issue for us as well but no clue why.
We have a 50Mbps external connection and with IPS turned on it drops down to 35.
I setup a test install on our gigabit internal network and tested iperf to a server on the external side of the test install. With IPS turned off I got around 980Mbps but but IPS turned on it dropped down to to 280ish.
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