Hi everybody!

After updating Appliance Version 5.0.4 to Version 5.1 Access Manager is not working properly anymore with HTTP/2 Protocol (Protocols h2) enabled.

Also fallback configuration by adding h2 h2c HTTP/1.1 does not work.

Services are up and running but no page will be displayed and browser tells that connection is not secure and terminates the session with err_connection_closed and err_connection_reset. Also no useful Log-Entry was generated that gives a hint on the problem, only tcpdump capture with p option enabled showed some indication you run into HTTP/2 problem.

Disable HTTP/2 Protocol by deleting or comment "Protocols h2" in Access Gateway Global Advanced Options was the only solution that worked

Hopefully HTTP/2 Protocol Support will be fixed soon.

Kind regards,

Andreas