Security

Explore the security forums and share your expertise about firewalls, email and web security, Identity Service Engine, VPN, AnyConnect, Duo, Umbrella, Secure Access and more.
cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Personalize banner_3

Browse the Community

Network Access Control

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

33687 Posts

Network Security

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

72594 Posts

Duo Security

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

3620 Posts

OpenDNS

Ask questions not covered by support articles and documentation.

3574 Posts

Activity in Security

Hidden Admin Object

Hello Community,When I go to:Users -> Users - No user exist.Users -> Administrators -> Administrators -> Add Administrator - It states the provided email address is already in use by another admin. How to remove hidden admin object?Regards,AK

amit0223k by Community Member
  • 213 Views
  • 2 replies
  • 0 Helpful votes

Duo for RD Gateway 3.0.0 Released 2026-MAY-04

May the fourth be with you! Here are the release notes for new Duo downloadable software released today.Duo for Remote Desktop Gateway 3.0.0 - May 4, 2026Adds certificate pinning support to enhance security of the connection between the Duo RD Gatewa...

DuoKristina by Cisco Employee
  • 90 Views
  • 0 replies
  • 1 Helpful votes

Cisco Deprecating Google Authenticator?

Got caught off guard on this one.Cisco is mandating everyone use MFA on all their Cisco accounts. I get that, encourage it even.Today I get an email."Security Cloud Sign On now requires Duo as the only supported multi-factor authentication (MFA) meth...

kalanfuga22 by Community Member
  • 211 Views
  • 2 replies
  • 0 Helpful votes

Resolved! PassiveID problems

Hi there,Im having som trouble setting up PassiveID in a new ISE install.ise version 3.4 patch 4I have 3 nodes, all of them have passiveid enabled, and i can see the service running in cli with 'sh app stat ise'in the ise passiveid-agent.log i see th...

Janne K. by Level 4
  • 917 Views
  • 5 replies
  • 0 Helpful votes

OFFLINE MODE

Hello,Is it possible to continue using two-factor authentication on DUO applications that use RADIUS via the DUO proxy and on applications via DNG? I know this is possible with Windows logon, but I haven’t yet tested it with the other options.

Alex2025 by Spotlight
  • 143 Views
  • 2 replies
  • 0 Helpful votes

Replace Firepower 4110 with Firepower 3130

I am going to replace my existing Firepower 4110 appliance running FTD 7.0.9 let call it with the name fp4110, managed by the FMC running 7.4.7, with a new Firepower 3130 appliance, let call it fp3130. All existing IP address(es) with the exception o...

OpenDNS blocks our MX-Records but Reputation Scanner is fine

Hello, We’re having an issue, regarding our MX records.OpenDNS is changing the IP-Address here, which is causing us major problems with sending and receiving emails.I have already opened tickets with Talos. However, these were immediately marked as r...

kristian82 by Community Member
  • 669 Views
  • 3 replies
  • 0 Helpful votes

TACACS+ Authentication error:- Getting error "% Destination unreachable; gateway or host down" when trying to telnet the tacacs+ server on port 49

Hi There, Thank you for your time. Hope you all are safe & secure in this pandemic  I need you help in my tacacs+ authentication.  I have got two TACACS+ servers (RHEL) and both are running successfully. Both are in different domains. For one domain ...

Sending SNMP FXOS to Observium

Hello Cisco Community,I want to ask, I tried to sending SNMP from Firepower Chasis Manager (Current Version: 2.16(0.136))1. I Go to Platform Settings2. To SNMP menu3. Admin Instance is choose Native (There's other option which is the device itself) 4...

kentwirianata_0-1777861186992.png kentwirianata_1-1777861383629.png