Is OAuth possible behind firewall?

Technical assistance
1

Infos:

  • Used Zammad version: latest
  • Used Zammad installation source: (source, package, …) package
  • Operating system: Ubuntu 18.04
  • Browser + version: chrome 77.0.3865.90 (Official Build) (64-bit)

Expected behavior:

OAuth passes a token back to the browser and logs the user in.
*

Actual behavior:

login not allowed
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is there a Redirect URI that I can use? My Zammad instance is behind a firewall and not externally accessible.

2

The oAuth-Service needs to be able to reach your Zammad instance on Port 443 via the callback URL.
The callback URL needs to be accessible via public.

Edit: So short: Not without port redirects, no.

1 Like
3

Hi MrGeneration, and thanks for the reply. In a prior life, I had setup a Moodle server with OAuth and it operated well behind a firewall without port redirects. I’m sure they’re not the same and it’s not a fair comparison, but is it possible that it would work and pass the token back as long as the URL is the same and there’s FQDN resolution (how it was setup prior on another platform)?

4

As long as the callback URL is reachable, this should work.
Can’t guruantee though, because that’s out of my scope.

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5

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