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SSO with Keycloak

Anyone with experience getting SSO on Atlassian Datacenter products to work with Keycloak

I've added a new client with Keycloak, however the AuthnRequest keeps failing.

<samlp:AuthnRequest xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:saml="urn:oasis:names:tc:SAML:2.0:assertion" ID="ONELOGIN_fa70f13e-5058-411b-9b57-787ac254cbfb" Version="2.0" IssueInstant="2020-02-17T17:51:16Z" Destination="https://URL/realms/corp/protocol/saml" ProtocolBinding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" AssertionConsumerServiceURL="https://URL/bitbucket/plugins/servlet/samlconsumer">

The error l see in the Keycloak logs is 

error=invalid_authn_request, reason=invalid_destination


2 answers

Please share your keycloak client config and the SSO config. 

I would suggest try changing your destination URL to match your POST binding URL (i.e. the Atlassian product URL, not the Keycloak Realms URL)

Hi Richard,

Thank you for your quick response and my apologies for not replying sooner. I've tried setting both the Assertion Consumer Service POST Binding URL and Assertion Consumer Service Redirect Binding URL in keycloak. It still wouldn't work.  

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