I was thinking about the problem of using legacy IPv4-only apps with IPv6, and I got to thinking about how programs like stunnel and ssh can do a trick where they can either open a local port that ...

Firewall features already available in IPv4 will be added to IPv6 protocol in Linux, but not until later in the year. Version 2.6.12 of the Linux kernel is likely to include packet filtering that will ...

Hey all, odd problem:<BR><BR>I had ubuntu working fine on a computer, then all of the sudden it would only get an ipv6 address rather than the normal ipv4 one, and network connectivity refused to work ...

The current version of the IP protocol, IPv4, has proved to be robust, easily implemented, interoperable and has stood the test of scaling to the size of today's Internet, most of which uses IPv4—now ...