On Thu, May 31, 2007, JORDI PALET MARTINEZ wrote: > > In windows, you have IPv6 firewall, so even if Teredo traverses the "IPv4 > security", there is still something there. > > A good description of all this is available at: > http://www.microsoft.com/technet/network/ipv6/teredo.mspx
I've read that; but again enterprise and ISPs may impose restrictions on the types of traffic to/from end users, and this circumvents that. Host-based firewalls are not the be all or end all of network security. Adrian