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by locknitpicker 166 days ago
> That IP will respond with a 403 error if they try to connect to it. So Azure is indirectly training people that 403 potentially IS a "network issue"...

You are not describing a network issue. You're sending requests that by design the origin servers refuse to authorize. This is basic HTTP.

https://datatracker.ietf.org/doc/html/rfc7231#page-59

The origin servers could also return 404 in this usecase, but 403 is more informative and easier to troubleshoot, because it means "yeah your request to this resource could be good but it's failing some precondition".
1 comments
quails8mydog 159 days ago
They're not, but the point is that users can see the 403 due to network errors. If vpn + networking work then the user can access the resource through the private interface. If there are issues with network routing or VPN then they end up on the public interface and get 403. So from the user perspective the same action can result in success or 403 based on whether there are network issues.
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