Security

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Network Access Control

Cisco Access Control Server (ACS), Identity Services Engine (ISE), Zero Trust Workplace

33211 Posts

Network Security

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

72029 Posts

Duo Security

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

3489 Posts

OpenDNS

Ask questions not covered by support articles and documentation.

3478 Posts

Activity in Security

FMCv License Upgrade

Hello We purchased new FMCv license to manage 10 devices and we already have FMCv license to manage 2 devices, both are attached to the same virtual account. i need to use the same FMCv i'm already using to manage 10 devices instead of 2. so, i need ...

Resolved! Upgrade FMCv device licence

Currently have a FMCv with a 2 device licence of which both licences are consumed. Customer now wants to add in a third Firepower managed device which will obviously take it over the device limit. I know that I am unable to "stack" up 2x 2 device lic...

OpenDNS not resolving - Cisco Umbrella

In the last few weeks we have issues with openDNS which does not resolve hosts, but other DNS do.At the moment it is e.g. frank-meisler.com. OpenDNS does not resolve, but EU-DNS, Cloudflare and Google-DNS do resolve it.Paying a lot of money for this ...

chrismes by Level 1
  • 163 Views
  • 4 replies
  • 0 Helpful votes

PKI FlexConnect Authentication

Hi, I am looking for a guide on how to get certificate working with Cisco C1111-4P (code 17.12.5a) I am trying to get ECDSA certificates working to authenticate over the FlexVPN instead of PSK I think my first question is, is it supported and what si...

SJY2025 by Level 1
  • 230 Views
  • 9 replies
  • 0 Helpful votes

Security Intelligence feed/list change alerts

All,I've been tasked with obtaining an alert whenever a security intelligence feed or list is added/removed/modified within Security Intelligence but only have been able to find a means to alert on events discovered from SI.Might anyone know of a way...

Chuck M by Level 1
  • 319 Views
  • 5 replies
  • 0 Helpful votes

Zscaler Client Connect and Duo Desktop

We are rolling out Zscaler Client Connect.  Once we enabled SSL Inspection, applications stop recognizing that Duo Desktop is installed.  The only way to get Duo Desktop to "work again" is to uninstall the Zscaler Client Connect application.  Even di...

Umbrella IPSec Tunnel Issue

So we’ve been testing Umbrella. I’ve established five different IPSec tunnels in Umbrella to various networks. All had been fine, with all the tunnels active for weeks. For some unknown (to me) reason, one of the tunnels went from active state to unk...

Simon782 by Community Member
  • 68 Views
  • 1 replies
  • 0 Helpful votes

Resolved! DAP to check if a specific antivirus is installed or not by name

I am attempting to set up a dynamic access policy on ASA to check if a specific antivirus software is installed. We use "Sophos Intercept X" for endpoint security. I have not been successful yet in configuring a policy that checks if that specific an...

Microsoft/Hotmail bouncing due to DKIM body hash failure

Observation: Microsoft has changed something and started rejecting valid DKIM signed emails. I've observed O365 and hotmail.com bouncing mails. To fix: Set each of your dkim signing profiles setting > Canonicalization values to "Relaxed. This makes t...

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charella by Cisco Employee
  • 421 Views
  • 1 replies
  • 0 Helpful votes