Network Security

Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Adaptive Security Appliance, Secure Firewall Management Center, and Security Cloud Control.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

“Join

 
Labels

Forum Posts

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...

Folks,                  We have a couple of Nexus devices and IOS devices on very recent codes. However we have a network vunerability scanner that keeps alerting us on the following: 1) Deprecated SSH Cryptographic settings2) SSH Server Public Key t...

Tarun1621 by Community Member
  • 2494 Views
  • 1 replies
  • 0 Helpful votes

Cisco 1941-SEC / K9 IOS 15.2 (2) T1 router R1(config)#crypto isakmp policy 10R1(config-isakmp)#encryption ?3des Three key triple DESaes AES - Advanced Encryption Standarddes DES - Data Encryption Standard (56 bit keys).What is their operation encrypt...

jeromele by Community Member
  • 2292 Views
  • 2 replies
  • 0 Helpful votes

Hi Community Team Does anyone know, if it is possible to get the Categories and apps list from FMC?, is avaiable to download or copy in somewhere or from FMC? I can't copy them directly Thanks 

image.png
victorlopmed by Frequent Visitor
  • 2333 Views
  • 2 replies
  • 0 Helpful votes

I have an ASA 5516 that is having intermittent issues so is being swapped over. I have taken a backup of the main ASA via ADSM and have restored onto the replacement device.I was just expecting to be able to just swap over the ASAs and reboot the swi...

Hi GuysLAN (inside) network - 192.168.10.0/24WAN (outside)network - for eg 137.14.191.12/28Device: Cisco Firepower 2100 series managed by vFMC I have around 15 servers residing inside the campus that needs to be opened for public. Each server has dif...

manvik by Level 6
  • 1180 Views
  • 2 replies
  • 0 Helpful votes

 I have Firepower 8000 Devices at Core Layer of my network. Code version for these Devices are 6.3.0.1. FMC for this device managed from is 6.4.0.4. Does Firepower 8000 support FQDN Objects ? if yes can you provide reference to it  ? and tested it ?

Hi guys, I'm running a firepoower 2100 with asa image 9.12.2. An interface of the firewall is connected to production network in a uncontrolled space. For this reason I was trying to check some sort of network attack on that interface to double check...

Moneta82 by Frequent Visitor
  • 4161 Views
  • 8 replies
  • 0 Helpful votes

Hello Cisco Community I have configured the above firewall using Firepower Device Manager , i am a bit new to this GUI interface, and i am having issues with the access control. I have set up all my objects with their appropriate IP addresses and hav...

easydee by Frequent Visitor
  • 3729 Views
  • 7 replies
  • 0 Helpful votes

Apologies but I'm new to cisco and command configurations and to be honest I'm at my wits end. I have been set an assignment to configure the following to an existing network.My education establishment uses version 7.2.1 although I'm not sure if this...