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 07, 2023

Applies to:

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

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:

	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

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