Apache HTTP Server Version 2.4

| Description: | A simple echo server to illustrate protocol modules | 
|---|---|
| Status: | Experimental | 
| Module Identifier: | echo_module | 
| Source File: | mod_echo.c | 
This module provides an example protocol module to illustrate the concept. It provides a simple echo server. Telnet to it and type stuff, and it will echo it.
| Description: | Turn the echo server on or off | 
|---|---|
| Syntax: | ProtocolEcho On|Off | 
| Default: | ProtocolEcho Off | 
| Context: | server config, virtual host | 
| Status: | Experimental | 
| Module: | mod_echo | 
The ProtocolEcho directive enables or
    disables the echo server.
ProtocolEcho On