Hi, We have a SSO environment provided by Oracle Fusion products and for some reason, they don't like to send over HTTP_REMOTE_USER as a header variable to downstream servers. I have seen it before with other web sites I have integrated with Oracle Access Manager. Is there a way Galaxy can accept another HEADER variable than REMOTE_USER for its external authentication? As an extension: * With just enabling HTTP_REMOTE_USER as a header variable from an external authenticator, Galaxy works without any issues. I tried this with a default Apache/mod_ldap/mod_authnz_ldap setup. * However, when I mix the Oracle gateways into the mix, things break down. o I made OAM send HTTP_AUTH_USER over to Galaxy. o I changed all instances of REMOTE_USER to AUTH_USER in the installed location of Galaxy in my server. o Authentication works fine, but I get issues with HISTORY part of Galaxy (below), when I access a workflow or basically any part of Galaxy that depends on HISTORY Error Traceback: View as: Interactive <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... | Text <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... | XML <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... (full) <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... ? |AttributeError: 'NoneType' object has no attribute 'user'| URL: http://xxx.xxx.xxx/dataset/list?sort=-update_time&f-name=All&f-ta... Module weberror.evalexception.middleware:*364* in |respond| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... *=* self*.*application*(*environ*,* detect_start_response*)*| Module paste.recursive:*84* in |__call__| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... self*.*application*(*environ*,* start_response*)*| Module galaxy.web.framework.middleware.remoteuser:*91* in |__call__| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... self*.*app*(* environ*,* start_response *)*| Module paste.httpexceptions:*633* in |__call__| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... self*.*application*(*environ*,* start_response*)*| Module galaxy.web.framework.base:*132* in |__call__| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... self*.*handle_request*(* environ*,* start_response *)*| Module galaxy.web.framework.base:*190* in |handle_request| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... *=* method*(* trans*,* ****kwargs *)*| Module galaxy.web.framework:*98* in |decorator| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... func*(* self*,* trans*,* ***args*,* ****kwargs *)*| Module galaxy.webapps.galaxy.controllers.dataset:*555* in |list| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... message *=* self*.*_copy_datasets*(* trans*,* hda_ids*,* target_histories *)*| Module galaxy.webapps.galaxy.controllers.dataset:*1127* in |_copy_datasets| <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... view <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... |>> <https://galaxy.research.cchmc.org/dataset/list?sort=-update_time&f-na... user *!=* history*.*user*:*| *AttributeError: 'NoneType' object has no attribute 'user'* Thanks, Prakash ___________________________________________________________ The Galaxy User list should be used for the discussion of Galaxy analysis and other features on the public server at usegalaxy.org. 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