MS Updates blocked

cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 
Announcements
Please sign in to see details of an important advisory in our Customer Advisories area.

MS Updates blocked

L2 Linker

It appears as though all of the sudden ms-upate traffic is being picked up as either session-end reason threat or n/a and updates are failing on my MS servers. Regardless of the server they all seem to be hitting the unidentified default rule at the bottom. 

1 accepted solution

Accepted Solutions

under objects/decryption/decryption profile/ then in that decryption profile - for the profile itself,

 

Under SSL Decryption/SSL Forward proxy:

under server certificate verification -check the box that says block sessions with untrusted issuers

 

Under the No Decryption tab:

check the box for block sessions with untrusted issuers.

 

Note that this will break traffic if issuers are untrusted or expired, so be careful on what you apply this Decryption policy to if you have never had this applied and are running production traffic through this.

 

View solution in original post

7 REPLIES 7

L4 Transporter

your not getting a decrypt-cert-validation end reason are you?

No I'm not. If I move to another security policy higher up it works (obviously) but I wan't to find out why this is occuring all of a sudden.

do you have a decryption profile that would identify that traffic and if so, do you have the "block untrusted issuers" check mark box populated - even if no decrypt?  

 

Just curious, as it looks like MS may have a cert or destination that is not on the PA's, but I have yet to deterimine exactly the issue

I do have a decryption profile but not applied to all. I can insert on the server IPs and see what is going on. Where would I locate the "block untrusted issuers" check box

under objects/decryption/decryption profile/ then in that decryption profile - for the profile itself,

 

Under SSL Decryption/SSL Forward proxy:

under server certificate verification -check the box that says block sessions with untrusted issuers

 

Under the No Decryption tab:

check the box for block sessions with untrusted issuers.

 

Note that this will break traffic if issuers are untrusted or expired, so be careful on what you apply this Decryption policy to if you have never had this applied and are running production traffic through this.

 

Thanks all for your help and suggestions.I ended up creating a custom app and subsequent security policy to allow MS updates to run. I did open a case with TAC.

I'd be curious to hear what they recommend.

  • 1 accepted solution
  • 9312 Views
  • 7 replies
  • 0 Likes
Like what you see?

Show your appreciation!

Click Like if a post is helpful to you or if you just want to show your support.

Click Accept as Solution to acknowledge that the answer to your question has been provided.

The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!

These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!

The LIVEcommunity thanks you for your participation!