About Mathew Huynh

Mathew Huynh · 10-14-2015

Cisco has acknowledged that an outage has occurred for the update-manifests server with certificate validation error alerts being sent by the appliances.Our IT team has confirmed the outage is now resolved. We will update this post as soon as more in...

Mathew Huynh · 10-14-2015

Cisco has acknowledged that an outage has occurred for the update-manifests server with certificate validation errors.Our IT team has confirmed the outage is now resolved. We will update this post as soon as more information is provided.Please do not...

Mathew Huynh · 06-03-2025

Hello Marcus, Upon reading "On Monday, we renewed the SSL certificate in the Threat Grid under Configuration / Authentication / SSL, downloaded it, and installed it on the ESA under Security Services / File Reputation." Am I right to presume you are...

Mathew Huynh · 06-02-2025

Hello Marcus First thing is to ensure that your device is on the latest AsyncOS version where it's still receiving updates like the enrollment client which has the CA certs in which the ESA would need to function. If you're on a supported version; ...

Mathew Huynh · 05-22-2023

Hello Ikgs, I understand the sentiment, this has been a feature I've been advocating in terms of getting implemented into the environment as we want to continue to improve in the security space. As at this moment, TLS1.3 is slated to be made availabl...

Mathew Huynh · 05-16-2022

Hey Sysresuem, I assume you mean you want the URL redirection which you see in the email to NOT be https://secure-web.cisco.com/hash/url ? If that's the case the redirection are currently (from memory) a fixed format on how the rewrites work; you c...

Mathew Huynh · 05-16-2022

Hey Troster, it's quite difficult to put a finger on this but being listed on UCEprotect probably can contribute to it. Talos intelligence also looks into a lot of other items and variable values. If servers you're connecting to are using Cisco int...

Member Since	‎11-11-2012 10:13 PM
Date Last Visited	‎06-03-2025 01:01 AM
Posts	853
Total Helpful Votes Received	625

User Statistics

User Activity

[RESOLVED] Oct 14 - Update-Manifests Certificate Validation Errors

October 14th - Updater SSL certificate Error [RESOLVED]

Re: The File Analysis server is not reachable

Re: The File Analysis server is not reachable

Re: Does Cisco's ESA support TLS 1.3?

Re: Make proxy redirection more beautiful

Re: poor reputation MTA no individual response on ticket