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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
Community Member

promiscuous mode and inline pair

Hello

1) What's the difference between promiscuous mode and inline pair pair?

2) Where the necessary use of each mode?

3) if I have I-BANKING server located in the DMZ network, so what mode should be prefer

4)after the preferred mode then do I need to assign sensor on the outside and DMZ and the C&C in inside

Pls guide me

4 REPLIES
Community Member

Re: promiscuous mode and inline pair

In promiscuous mode your sensor doesn't affect the traffic but it only listen and analyze it.

In inline mode you direct all your traffic on this network segment you want to protect to IPS and it analyze it and block some actions according to your settings.

It is the main difference. Which mode to prefer must be your decision.

Community Member

Re: promiscuous mode and inline pair

with inline mode, do you actually plug the connection from the Internet in what would normally be your promiscous interface? I'm a little confused on how traffic is routed to the IPS first and then on to the firewall.

Community Member

Re: promiscuous mode and inline pair

hello

can u post me a usefull design guide with the IPS

10xs

Community Member

Re: promiscuous mode and inline pair

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