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Network Access Control

Cisco Identity Services Engine (ISE), Cisco Access Manager (CAM), Zero Trust Workplace

33644 Posts

Network Security

Engage with peers and experts on network security topics such as Secure Firewall Threat Defense, Ada...

71366 Posts

Duo Security

Get started with or get better at administering and using Duo by interacting with peers and experts!

3683 Posts

OpenDNS

Ask questions not covered by support articles and documentation.

3686 Posts

Activity in Security

Cisco Secure Access support for macOS 27

macOS 27 is not currently supported by Secure Firewall Posture version 5.1.19. An updated version, 5.1.20.333, is scheduled for deployment to Cisco Secure Access in the coming weeks. Until the updated release is deployed to Secure Access, customers ...

gfoskett by • Cisco Employee
  • 1970 Views
  • 6 replies
  • 2 Helpful votes

Network already exists - Request to release public IP

Hello,I'm trying to register my home network in OpenDNS Home, but I'm getting the error"Network already exists."My router WAN address matches my current public IP address. I have already restarted the router/modem, but my ISP continues assigning me t...

copeleto by • Community Member
  • 106 Views
  • 1 replies
  • 0 Helpful votes

ISE 3.5 patch 4 is now the recommended release

Cisco ISE 3.5 Patch 4 as our suggested release, packed with powerful updates designed to streamline operations and enhance security. New features in Cisco ISE release 3.5 cumulative patch 4Cisco Support Assistant: Troubleshooting just got easier. You...

Resolved! FMC/FTD 10 ACME Cert

Just curious if anyone has made this work with FTD/FMC 10.0?  I decided to try it in lab just to see using Lets Encrypt and following the document here:https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/usecase/VPN/using-acme-certificates...

Resolved! Salesforce Username- include domain

We need to secure Salesforce using Duo.  We have the Duo integration setup and it is working, I have confirmed successful logins in the Salesforce App in Duo Admin.  The problem is that Salesforce does not load after successful Duo authentication.  W...

Adding new HA FTD cluster to an existing FMC

WE have an existing FMC which is managing cluster of FTD for our main site. Now I have 2 new FTD I want to add to FMC as HA cluster. What are the steps to do add the new FTDs to the FMC and then create a completely seperate policy for the new HA clus...

Duo Authentication for AD FS 2.4.2 Released 2026-11-4

It is Wednesday, my community. Here are release notes for Duo software released today.Duo Authentication for AD FS Version 2.4.2Sends the Duo authentication method used to relying parties like Salesforce in the Authentication Methods References (AMR)...

DuoKristina by • Cisco Employee
  • 376 Views
  • 0 replies
  • 0 Helpful votes

Cisco Umbrella/ Open DNS - Network Already Exists - Stale IP

Hi,I am trying to manage the OpenDNS allow list under my account but it seems that I need to add the IP address. When doing this it states that "Network Already Exists". The forums suggest this is a stale IP that needs to be released by OpenVPN. Any ...

iomart by • Community Member
  • 91 Views
  • 1 replies
  • 0 Helpful votes

Authorize-only Failed

Hello,ISE is used for Authorization and include posture checks.The user successfully logged in during the previous session. However, during the current login, the following error occurred: 5422 – Authorize Only Failed. The endpoint failed to match au...

obliks00 by • Frequent Visitor
  • 220 Views
  • 3 replies
  • 0 Helpful votes
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