I and some other users intermittently can’t access our Enterprise SonarQube server from a web browser. We get the “403 Forbidden” error. I can’t tell you what version of SQ we’re using because I’m not an administrator and can’t access it right now. The SQ admin within our company says it must be o…

Embarrassingly, I cleared the cookies for the SQ server in my Chrome browser, and then I was able to login to SQ as usual - not only in Chrome, but also in Firefox and Edge, without having to clear their cookies first! Although this worked for me today, clearing cookies hasn’t worked in the past, a…

Hey there. What system are you using for authentication to your SonarQube server? Local authentication, LDAP, SAML, something else? You may want to check the access.log file of your SonarQube server to make sure the 403 is actually being returned by SonarQube, and not something else (a reverse pro…

Thanks Colin. Unfortunately I’m not sure of the answer to some of your questions so I’ll get back to you after I’ve caught up with the SQ admin here (who’s unfortunately in a very different timezone to me). I’m pretty sure there’s only one SQ server instance though.

@Colin - here are the admin’s responses: We use the Azure Active Directory (AAD) plugin for authentication. The access logs confirm it’s SonarQube that’s returning the 403 errors. The admin also said “There is an App Gateway sitting in front of Sonarqube. It has a WAF and acts as the TLS endpoint.…

Hi @cacti77 , did you find a workaround?

No, the problem just seems to have become a lot less frequent than when I reported this. I generally find that if I try to go straight to the SQ results for a particular build I’m more likely to get an access problem than if I log into SonarQube’s home page. Then I either have to navigate to the bui…

Can't access SonarQube projects in web browsers: 403 Forbidden

SonarQube Server / Community Build

cacti77 (Lucas Partridge) February 13, 2025, 11:12am 8

@MAR - top of my list of suspects would be a firewall rule change. E.g., see Intermittent error: You're not authorized to analyze this project too.

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Can't access SonarQube projects in web browsers: 403 Forbidden

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