Activity in Security
DNS-O-Matic & Dynamic DNS
So, I've got an email today, as, I suspect, has everyone else - that DNS-O-Matic dies in 30 days.My OpenDNS is tied into DNS-O-Matic.So, no worries, think I - I'll check what options I have - so into OpenDNS, Dashboard, Advanced Settings - and lo, "D...
Starting My Journey from Networking to Cybersecurity
Hi everyone,I’m a student and a girl from a village, and I want to do a lot; I have no help in my area and nearby people.I’m currently building my foundation in networking with the goal of moving into cybersecurity.I’d really appreciate advice from p...
Root-Based IPsec: Cases Where Decryption Does Not Occur
Although the IPsec connection itself has been established using route-based IPsec, when I check `show crypto ipsec sa`, I see that only encrypted packets are being counted, as shown below, and the number of decrypted packets is 0. In contrast, the VP...
How to check ACL (from object management) logs in FMC?
Hello Cisco Community,I have block rule from ACL in FMC (not ACP), how do I check the deny logs? I saw nothing when I tried to filter by ip source and dest port. I have tested with telnet and the connection refuse as expected, but where to check the ...
Dot1x Machine are getting authenticating with MAB and failing.
Hello Team,greetings.I am seeing a strange behaviour with users, like when first they connect to LAN, laptop is trying to authenticate with MAB and hitting to MAB policy and failing as result "15039 Rejected per authorization profile". we have flow l...
Cisco Secure Client/Umbrella Auto-Update Not Applying
The problem: Even with Auto-Update enabled in the Umbrella global settings, the fleet was not updating on its own. Versions were scattered across 5.1.13 through 5.1.17 for weeks, with the bulk of machines stuck on 5.1.13. Manually updating a couple o...
[NetAcad] Lost MFA access / Need guidance for MFA reset
Hi everyone,I lost access to my authenticator app and I am currently locked out of my Cisco NetAcad account. I do not have backup codes available, and I am unable to reach a local instructor or support directly.Could someone please guide me on how to...
D346 Duo Release Notes for September 3, 2026
Hello everyone! Here are the release notes for our most recent updates to Duo. Public release notes are published on the Customer Community every other Friday, the day after the D-release is completely rolled out to commercial deployments. You can su...
Resolved! Cisco AnyConnect Cannot Find File
Hello everyone,I recently have began encountering an error on my Windows 10 PC when trying to connect to AnyConnect. The error simply says that the system cannot find the file specified. There have been no changes made to the network or my PC and no ...
Problems resolving cnames for Private Endpoints with Umbrella agent
Hi everyone! We are having some problems resolving Azure private endpoints from Umbrella Agent with both DNS and Web Protection services enabled.The issue relies on the CNAME system that Azure put in place when a private endpoint is created, having t...
ASA loses connectivity to HSRP gateway every ~20 mi fixed by clear arp
Hello community,I am experiencing an intermittent connectivity issue in an environment with Cisco ASA firewalls in failover mode and Nexus 5K switches configured with vPC. I would appreciate any insights or confirmation of possible root cause scenari...
Unable to register FMC 2700 Version 7.4.1(build 172) with on-prem SSM
I am registering fmc with on prem ssm but fmc is throwing "An error occurred when registering the system with smart licensing cloud"I am using my own internal CA issued certificate for browsing (8443) and product registration (443) as well. I am able...
Umbrella and Palo Alto Global Protect
Does anyone have a issue with Cisco Umbrella and Global Protect VPN were it does not pass along the user or dns information and put them in Default Policy and it block there access
failed to determine valid temporary file folder - Windows
Wondering if anyone has come up with a workable solution to this issue. I've read some other posts for a 'fix' for Windows and Mac. What we're seeing is AnyConnect client is installed, performs autoupdate. Upon reopening the client you get this err...
Duo for Windows Logon 6.0.0 Released 2026-09-03
Here are release notes for new Duo Downloadable software released today:Duo for Windows Logon 6.0.0 - September 3, 2026General Availability of Offline Access for Passwordless OS Logon.Adds the Duo WinLogon Support Tool, a graphical diagnostic applica...
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