https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754494#M1012706 <P>True - very little utility in the case of a single ASA Firepower service module.</P> Wed, 28 Nov 2018 16:29:13 GMT Marvin Rhoads 2018-11-28T16:29:13Z https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754474#M1012700 <P>When building policies within the SFR/FMC what are zones? Do we need them? How are they different from "Networks"?</P> Fri, 21 Feb 2020 16:31:09 GMT https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754474#M1012700 Steven Williams 2020-02-21T16:31:09Z https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754483#M1012701 <P>Zones are assigned to interfaces (although you technically don't need to reference them in your Access Control Policy).</P> <P>&nbsp;</P> <P>They are quite useful when you have multiple interfaces - like several internal interfaces that you might all include in the "Inside" zone - that you want to treat with a single set of rules.</P> Wed, 28 Nov 2018 16:17:02 GMT https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754483#M1012701 Marvin Rhoads 2018-11-28T16:17:02Z https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754484#M1012705 I dont see the value in them when its only an SFR that is using the FMC. Its not a FTD device. Wed, 28 Nov 2018 16:19:14 GMT https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754484#M1012705 Steven Williams 2018-11-28T16:19:14Z https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754494#M1012706 <P>True - very little utility in the case of a single ASA Firepower service module.</P> Wed, 28 Nov 2018 16:29:13 GMT https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754494#M1012706 Marvin Rhoads 2018-11-28T16:29:13Z https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754509#M1012710 Ok just wanted to make sure my thinking was on par. <BR /><BR />Thanks for the feedback. Wed, 28 Nov 2018 16:42:25 GMT https://community.cisco.com/t5/network-security/fmc-amp-quot-zones-amp-quot-are-they-needed/m-p/3754509#M1012710 Steven Williams 2018-11-28T16:42:25Z