Super User is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I'd like to access standard internet services as echo (port 7), discard (9), daytime (13), chargen (19) and others on my Mac OS X machine (running Mac OS X Leopard). If possible, how to enable them?

Telnet is rejected on each of those ports on my machine.

share|improve this question
up vote 1 down vote accepted

The services you mentioned were part of xinetd, which is not used in Leopard. It was replaced with launchd, and I'm afraid there is no easy way to run those services out of the box.

Getting started with launchd (

Technical Note TN2083 Daemons and Agents (

share|improve this answer

Linux used to let you turn services on one at a time, e.g. /sbin/chkconfig echo on. I now use macs to lecture (I want these for introductory programming – networking). So there's no equiv?

share|improve this answer

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .