My Oracle Support Banner

Accessing Application Using SSL Reverse Proxy Fails with the Error "ERR_SSL_PROTOCOL_ERROR" and "AH01114: HTTP: failed to make connection to backend" (Doc ID 2727949.1)

Last updated on NOVEMBER 03, 2021

Applies to:

Oracle HTTP Server - Version 12.2.1.4.0 and later
Information in this document applies to any platform.

Symptoms

After configuring SSL reverse proxy, when trying to access the application, it fails with the error "ERR_SSL_PROTOCOL_ERROR".


The log file shows the below errors:

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.