Security

Cisco ISE for beginners

Hey guys, I'm having some real trouble with Cisco ISE. I've been reading books like CCNP CISE 300-175, Cisco ISE for BOYD etc.. I've watched some video lectures about device admin and dot1x those looks easy initially. I'm okay with the configuration ...

ISE BYOD Flow Using Entra ID

IntroductionPrerequisitesRequirementsComponents UsedAssumptionsConfigurationSAML IdP ConfigurationISE Policy Elements and BYOD PortalEntra ID SAML SSO ConfigurationComplete the SAML Configuration in ISEComplete the ISE Policy ConfigurationConfigure t...

Umbrella Federation Gateway Certificate Issuer Update

The certificate for the Umbrella federation gateway domain gateway.id.swg.umbrella.com will be migrated to a new issuer on July 31, 2026.After the migration is complete, the certificate issuer will change from Let’s Encrypt to HydrantID.No customer i...

Feature Request: API Endpoint for Dashboard Login Attempts

Hi Cisco Meraki Team,Request:We would like to request an official Dashboard API v1 endpoint to retrieve Organization Login Attempts (the data currently visible under Organization > Monitor > Login Attempts).Business & Security Need:SIEM Integration &...

Quiet Mode bug.

Has anyone experienced issues with Quiet Mode not working as intended for IPv6 ssh attempts?  "login block-for ___ attempts ___ within ___" does not work with IPv6 login attempts I've noticed. 

CSCws21678 - Zombie processes created by cscan on macOS Tahoe

Just an FYI as this one was hard to find.  All of our developers on MacOS Tahoe and the latest version of the Cisco Secure Client have the issue.### Root Cause Analysis of Spindumps 1. **Process Identification**:* The affected process is `cscan`, loc...

FTD 1140 - High Data Plane Memory

Hey everyone.Really looking to see if anyone has experienced anything similar here. We updated our FTD 1140s to 7.6.4 about 2 months ago and have started seeing High Data Plane memory usage. Recently this has began to cause these Firewalls to crash a...

This application requires Flash Player v9.0.246 or higher for 2026

Showing This (This application requires Flash Player v9.0.246 or higher for 2026)I am not able to access this CIMC Because of Flash Player so, what could I do for the Access please help me on this.... @cisco 

YouTube.com bot warning message for Secure Access SWG

Update, May 1st 2025: We are receiving reports from customers still experiencing this issue. We are investigating and will post updates here. We are currently investigating an issue affecting YouTube.com, where users are encountering a prompt to "Si...

what is difference between svti and DVTI?

Sending cisco FMC logs to a syslog SIEM server.

Hello,I'm new to CISCO and networking too, my field is Infromational Security and I work with security tools.But I have a need to connect FMC vpn connections logs to the SIEM.So I'm trying to make it send logs in ASA formatting because the default sy...

Open DNS SSO Failure

Hello, We have an employee that had an account set up in OpenDNS before it was purchased by Cisco but never used to log in. Now when the employee tried to use SSO to log in to Umbrella, it points back to the old instance Open DNS, and we cannot get t...

Guidance on resizing Cisco ISE 3.x nodes to smaller supported Azure VM

We are running a Cisco ISE deployment on Microsoft Azure in a non-production/lab environment. The nodes are significantly over-provisioned (average CPU utilization is consistently below ~2% over a 30-day window). We want to downsize the VMs to smalle...

MacOS EAP-TLS Authentication Fails with Client Rejected ISE Local Cert

Hi All,I am facing an issue with 802.1X authentication in the following environment:Wireless Access Point: Meraki APRADIUS Server: Cisco ISEAuthentication Method: 802.1X (EAP-TLS)We have both Windows and macOS endpoints.For macOS, we deployed the Roo...