I would like to briefly open up my computer and allow my business partener to see what I\'ve been developing on the my localhost. I understand there are probably some securi
If your Apache server is up and running already on your localhost, then you should just be able to set up a route within your router to point at your computer for traffic coming IN on port 80.
EDIT: I just checked my router settings, and it calls this 'services'. It allows incoming requests on a specific port to be listened to, and forwards the request onto a specific computer (by IP) attached to the router.
You would be better asking this question on superuser.com