Windows
Website blocked until its domain was added to the network allow list
Access to a required website was blocked. The domain was added to the network allowed list, and the user was asked to retest access.
Killed once by someone from XL.net, on 2026-09-21.
What you see
- A required website would not open because it was being blocked by network filtering/allow-listing.
Why it happens
Likely The website domain was not on the network allowed list.
When it shows up
A user can reach most sites but a specific required site is blocked until it is approved by network allow-listing.
You are in this case if:
- The site domain is missing from the network allowed list.
- The same site opens after the domain is added to the allow list.
1 fix below
The steps that killed it
The steps are behind a quick check
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Someone from XL.net killed this on a Windows computer on 2026-09-21. It is written up from that one repair, so it cites no outside page.