Linux - NetworkingThis forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.
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Generall you put an IDS on a network in a passive fashion not as a transparent bridge. If you have a decent switch you should be able to set one port up as a monitor port and have it see all of the traffic that passes through the switch without the need to make the IDS box a router.
If you want to do active blocking you're not setting an IDS, you're setting up and IPS. And I haven't set one of those up because it's too easy to get a false positive and have it block legitimate traffic.