On Tue, Jan 30, 2007 at 08:19:12AM -0000, [EMAIL PROTECTED] wrote: > > > > > IPv6 makes NAT obsolete because IPv6 firewalls can provide all > > > the useful features of IPv4 NAT without any of the downsides. > > > IPv6 firewalls? Where? Good ones? > > Why good ones. NAT is a basic IPv4 firewall. All IPv6 needs to obsolete > NAT is a firewall that offers all the features of NAT without requiring > the address translation. Then, instead of setting up a port translation > for a particular incoming protocol, you simply open up that port without > modifying the packets as they flow through. Suddenly, SIP works and > incoming VoIP phonecalls work just like on the phone network.
There is more to firewalls than NAT and packet filtering, no matter what the Cisco Pix people say. -- Joe Yao ----------------------------------------------------------------------- This message is not an official statement of OSIS Center policies.