UPNP means Universal Plug'n'Play. I guess WinXP looks to automagically reconfigure the NAT rules via upnp. No idea about the netfilter stuff myself I'm afraid. > -----Original Message----- > From: Marc Rechté [mailto:mrechte@xxxxxxxxxxxxxxxx] > Sent: 20 February 2004 07:14 > To: netfilter@xxxxxxxxxxxxxxxxxxx > Subject: Anybody heard about UP&P ? > > To enable remote assistance from Internet of a WinXP PC on a LAN using > NAT one must have a UP&P NAT compatible router. > > Can Netfilter act as such a router, and if so do you have an idea of the > chain to apply ? > > Thanks for your help > > Marc. >