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Re: Does iptables affect director's performance much?

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Does iptables affect director's performance much?
From: Dan Trainor <dan@xxxxxxxxxxxxxx>
Date: Thu, 17 Nov 2005 11:10:15 -0700
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 > Portsentry only mitigates the problem, doesn't solve it. Also, it's not
> something that should be implemented on the LVS. Also having a NIDS on
> the director is a bit suboptimal, since a IDS should at best not be
> detectable and should also be in read-only mode. Either put a second box
> between the networks you need to sniff, preferrably in bridge mode or
> modify your network cables by removing the TX part, so only receiving is
> possible. Both suggestions don't work well with a director.
> 
> Regards,
> Roberto Nibali, ratz

Roberto -

While we're touching on this subject here, what kind of a NIDS do people
use inside an LVS setup, and how can it be implemented?  This is
interesting.

THanks
- -dant
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