Activity in Security
ISE 1.4 not work
Hello.We're using ISE 1.4.0.253. Recently, the web interface on the master virtual machine crashed, and there were errors in the switch logs.We checked the status, and everything was bad:sh application status ise ISE PROCESS NAME ...
ISE 3.4 Patch 3
Hi everyone! Good day and greetings!Does anyone here upgraded your ISE devices to 3.4 Patch 3? Did you guys encountered any issues and bugs?Regards
ASA/FTD DHCP reservations outside the pool not allowed, why?
Hi,can anyone tell me why Cisco is not allowing address reservations outside the defined DHCP pool?At least on ASA and FTD thedhcpd reserve-address xxx.xxx.xxxx.xxx abcd.ef01.2345 insidealways needs to be inside the specified pool.I mean there is a w...
Tenable.io - SSH cipher negotiation failure with Cisco IOS devices
Nessus Scanner:Tenable.io–managed Nessus Scanner v10.11.1Cisco Switch Model:WS-C3650-48TQCisco IOS XE Version:16.12.12Issue DescriptionWe are attempting to perform a credentialed SSH scan against Cisco switches using a Nessus scanner.The SSH connecti...
hostname field does not show up in context visibility
I do not see hostname field for some of the endpoints. these endpoint IP's are assigned statically no there is no DHCP involved. probe wise I have radius and nmap enabled. Do I require DNS Probe to enabled ? what is the requirement from ISE perspec...
Linux ssh pam and KbdInteractive
I have set up duo for unix on several ubuntu 20, 22 and 24 machines. On all machines, the "pamtester -v ssh myname authenticate" command triggers a push, then follows up with prompt for password (as expected.)On some machines, ssh only requires a pa...
Cisco Secure Email Encryption – “System Unavailable” Error
Issue Description:When users attempt to open the securedoc.html file using the default Cisco Secure Email Encryption link, the secure portal fails to load and displays a “System Unavailable” error. The issue is consistent across browsers, devices, ne...
Need help assessing my level of vulnerability to CVE-2025-20393
I am looking for instructions to confirm my level of vulnerability to CVE-2025-20393. Online they keep telling me to go to Network>IP Interfaces. However, I don't see IP Interfaces under Network on either my ESA nor SMA. I know we are using a spam...
Network already exists.
Hi, I already added my fix public IP address to an OpenDNS account, but I don't have access to that account and now I have this error message when I try to add the IP address to a new account: Network already exists. How can I fix it? Best RegardsPat...
Copy files to and from ASA
I am having a difficult time copying files to and from a local tftp server with an ASA. I want to plug my laptop running the tftp server directly into the ASA on one of it's ethernet ports and copy files but I can't seem to get the laptop and ASA to...
Cisco ISE related Vulnerability (CVE-2025-20343)
IntroductionSummaryWorkaroundAffected Products & Fixed SoftwareReferences The Portuguese version of this Article can be found at: Vulnerabilidade que afeta o Cisco ISE (CVE-2025-20343) . For an offline or printed copy of this document, simply...
mantagifts.com domain is not resolved by OpenDns
About 2 months ago we moved the server of mantagifts.com to a new ip address: 57.130.30.42This domain already exists for more than 10 years and is a stable B2B webshopHowever somehow OpenDns does NOT propagate the A record properly (all other authori...
Migration from Umbrella to Cisco Secure Access
Hi everyone, A few days ago, my Cisco Umbrella license expired, and all my policies disappeared from the dashboard. I have now purchased a Cisco Secure Access license (as an upgrade) and would like to use the migration tool to transfer my old Umbrell...
ASDM Fails after upgrade with error: "Unable to launch device manager"
I upgraded by ASA 5525x with asa9.14.4 which is a special version for a security fix. That broke ASDM. So, after consulting my Cisco Field Engineer I upgraded ASDM to asdm-7.23.1. After updating the path and upgrading Java to the recommeded versi...
FMC Broken Database
Unfortunately, neither Cisco nor our partner is able to assign the contracts to us, so I can't create TACs. Therefore, here in the forum:We have a defective database in the FMC. Here's the error message:[Mon Oct 20 11:50:12 2025][FATAL] [missing all ...
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