as long as it is simple requests it shouldnt be a problem

incoming headers tend to be more complicated from a cgi perspected if there is posted data, which cgi.pm takes care of quite nicely. But if it is basic get stuff it is pretty straight forward parsing.

As for outgoing. There is nothing to it. Just take note of syntax esp if youre doing cookies or other meta headers

the w3c can help you if you get jammed
w3c on HTTP