Defender for Endpoint blocking reddit

Jon Mercer 971 Reputation points
2024-02-28T19:43:33.9966667+00:00

I added Reddit.com to my whitelist and can sort of go to Reddit. Windows notification is listing a couple sites it says it can't get to. Is there a way to setup one rule that will cover all sub-domains and such like doing reddit.com/* or such (which doesn't work). If I try to go to something like https://www.reddit.com/r/meraki/comments/cuf67a/where_to_sell_meraki_equipment/ it says it is blocked by the policy. I also have these show up, as well as v.redd.it. User's image

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
4,217 questions
Microsoft Defender for Cloud
Microsoft Defender for Cloud
An Azure service that provides threat protection for workloads running in Azure, on-premises, and in other clouds. Previously known as Azure Security Center and Azure Defender.
1,250 questions
Microsoft Defender for Cloud Apps
Microsoft Defender for Cloud Apps
A Microsoft cloud access security broker that enables customers to control the access and use of software as a service apps in their organization.
118 questions
0 comments
Accepted answer
  1. Oleksandr Romaniuk 465 Reputation points
    2024-03-03T15:28:28.76+00:00

    Hello!

    Go to https://security.microsoft.com/, then Settings => Endpoints => Rules => Indicators => URLs/Domains, and here add the necessary domains to the exceptions (add item with action "Allow"). And review all the rules so that there are no such rules that block sub-domains. If you don’t have rules that block these sub-domains, then perhaps you are using Web content filtering. Because Web content filtering works with Blocked Categories, so maybe reddit got into one of them.
    Note: The indicator with the longer URL path wins over the indicator with the shorter URL path.

    In other cases, you can see this article to find other ways to add exclusions for reddit.

    If the above response was helpful, please feel free to "Accept as Answer" and click "Yes" so it can be beneficial to the community.

0 additional answers

Sort by: Most helpful
Most helpful Newest Oldest