403 Forbidden vs 401 Unauthorized HTTP responses In summary, a 401 Unauthorized response should be used for missing or bad authentication, and a 403 Forbidden response should be used afterwards, when the user is authenticated but isn’t authorized to perform the requested operation on the given resource Another nice pictorial format of how http status codes should be used
Invalid copilot token: missing token: 403 - Stack Overflow If you're the kind of person who likes reading things to try to find a solution before asking for help, you could try combing through a google-search of " site:github com "Invalid copilot token: missing token: 403" "
The remote server returned an error: (403) Forbidden If it's returning 403, clearly it's expecting authentication It's also possible that you (now?) have an authenticating proxy in between you and the remote site
HTTP 403 Error while accessing web service - Stack Overflow A 403 response indicates that the host or software you're connecting with isn't allowed to access the web service Reasons for this might be: The remote host you are is being blocked by a firewall You've reached the limit of calls to the web service and they are blocking any further connections You are sending credentials for authentication but the account is banned disabled The user-agent or