mod_echo - Apache HTTP Server

Apache HTTP Server Version 2.0
Apache Module mod_echo
Description: A simple echo server to illustrate protocol modules
Status: Experimental
Module Identifier: echo_module
Compatibility: Available in Apache 2.0 and later
Summary

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.

Directives
ProtocolEcho
ProtocolEcho Directive
Description: Turn the echo server on or off
Syntax: ProtocolEcho On|Off
Context: server config, virtual host
Status: Experimental
Module: mod_echo
Compatibility: ProtocolEcho is only available in 2.0 and later.

The ProtocolEcho directive enables or disables the echo server.

Example
ProtocolEcho On

Apache HTTP Server Version 2.0