[MI-4.2.0] Backend Hostname with underscore("_") fails when connecting through an SSL Tunneling proxy

[imedyaosandi]

Current Limitation

Cannot invoke backends which has an underscore in the hostname.

Suggested Improvement

The underscore in hostnames is now supported with the new starndards[1] and supported with java.net.URL[2]

[1] https://www.rfc-editor.org/rfc/rfc3986
[2] https://bugs.java.com/bugdatabase/view_bug?bug_id=8180809

Version

4.2.0