Tuesday, July 7, 2015

502.3 - Bad Gateway security error code

Problem Statement:

Whenever you are using IIS ARR with URL Rewrite for Reverse proxy. 
HTTPS to HTTPS. You might receive following error.

Error: IIS 7.5 Detailed Error - 502.3 - Bad Gateway security error code 0x80072f8f

Casue of Problem:

IIS where you configured ARR it doesn't trust the BackEnd IIS Server certificate.


Please export the Back End IIS Server certificate and Import it into IIS-ARR local machine under
Trusted Store.

Reference: http://blog.lint.at/iis-as-reverseproxy-with-ssl-offloading/


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