I just don't want to forget this article. http://www.onlamp.com/pub/a/onlamp/2003/05/29/netcat.html I found it while looking for reverse ssh information.
I've turned this on to get rid of the bastard spammers. Sorry to all the valid posters. Ok Lorne? It is only valid on the older posts though, so maybe people won't really be bothered by it.For spam protection; please type the lowercase word 'rude'.