Network Security

Could anyone explain me the packet flow especially with those nat statements and how crypto acl is checked. Chatgpt isn't helping a lot. I do understand how twice nat works from asa1 but un-nat at asa2 is still something I couldn't get. Also how cryp...

Hello Team, We want to remove disabled rules from firewall and before that want to take backup of "disabled" rules only. is there better we can achieve this. I know you can generate report of policy from policy section of FMC too, but that includes b...

Hi!I already posted my question in Configure NetFlow in FMC - Cisco Community but I´m not sure how visible it is there, therefor this repost.So far, I´m using one Platform settings policy for all FTDs as there´s a lot of shared similar configuration....

Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from  Wednesday, March 4, 2026 through Wednesday, March18 2026. Our Experts Ike Chon, Scott Nishimura, Annya Martinez Foster, Jyhan Ocana Casillas, Eder Pacheco, Willi...

Hello everyone i want to configure identity policy on FMC with Active Directory Kerberos, on guide written The Realm you select must be configured with an AD Join Username and AD Join Password to perform Kerberos captive portal active authentication....

Hi,Is it possible to create groups of SGTs to facilitate the creation of firewall rules when multiple SGTs need to be added?Regards

HiQuick question, Is it possible to Configure a RB VPN on an FTD using a Loopback Interface.??I ask because I have been requested to set up one but the thing is the peer IP I have to use my side is not one of the FTD Interface IP Addresses, Also is t...

Hello, I am running a lab in VMware with two Cisco Firepower Threat Defense (FTDv) devices managed by Cisco Firepower Management Center (FMC). All on version 7.4.2 I created a new IKEv2 policy and IPsec proposal in FMC and deployed the changes to bot...

Hi All, In the event that the admin user needs to be reset on the FDM, the following procedure can be followed. One of the basic requirements is to have a user on which to log in, and it must have conf privileges. Once you have logged in via external...

Hi All, We are managinfg FTDs using FMC running 7.4.2 Is there any option to revert the saved changes which are not deployed to FTD yet. 

Hi everyone!  I am planning to decommission and remove my internal Fortigate firewall and migrate some of its configuration to Cisco FPR with ASA. I would just like to ask for some feedbacks or insights1. What critical settings or config should I che...

Hi All,Can anyone know where we can get FMC 6.2.3.83 exsi file download link. One of our customer FMC got crashed. We have a backup which is collcted during the last commit did by customer.