Web Security

I am trying to change the TTL on username-to-IP mappings learnt from ISE-PIC on Web Security Appliance (software version 14.5.1-016) from the default 6 hours to 1 hour. This can be seen by issusing the command "isedata > cache > show", selecting an I...

Questions related to Advanced App Controls of Cisco Umbrella SIG:1. I know Umbrella can block upload for Whatsapp.Does this mean Umbrella can block upload for both Whatsapp desktop app and Whatsapp web?2. Is it possible to only detect file upload act...

I am trying to define the correct syntax for a User agent for MS Edge as found in Windows 10.   Users attempting to use this browser are being prompted to authenticate before any internet access is granted. One of the browsers is presenting this str...

Hello Community, I've gone through the Cisco WSA best practice document & I saw that 20 or less than 20 access policies configured in WSA are considered medium complexity & best practice.  I just want to confirm that this number (20) varies from mode...

Hi,I write this to prevent others from running into the same issue.Few weeks ago we upgraded our virtual Web Security Appliances from 12.5.5-008 to version 14.5.1-016 as suggested by the web UI. We use WSA via explicit mode and transparently via WCCP...

Hello, We're having issues with our new Firepower 2100 when MACs try to connect because DTLS 1.2 does not pass. A comparison analysis of MAC Anyconnect 4.9.04043 agents in TLS and DTLS mode shows that the Cypher suites are not identical. The TLS Cyph...

Hello,I just installed Umbrella Roaming security client and after installation i lost communication with ePO server. Please see screenshot. Does anyone know what might be an issue? 

Hello, Following our proxy update from 12.0.1 build 334 to 14.5.0 build 537;  it was observed after a few minutes of normal functioning,we get the code 407. We notice that the proxy sends authentication requests in a loop via browser popups. After an...