> according to traffic rules :-))). What should I be aware of? Could people > for instance get data into the network by hiking along on a connection > somebody set up with a webserver (or any other service for that > matter)?
You may want to look into the iptables FTP issue from last year. It was (IIRC) the first issue for iptables, and it was exactly the sort of issue you are talking about.... http://online.securityfocus.com/cgi-bin/sfonline/vulns-item.pl?section=discu ssion&id=2602
