Please note, at the time of making this, resolved to 97.74.104.201. # This will forward all incoming tcp requests for on ports 80 and 443 to 97.74.104.201 # Intended use at a seperate dedicated dual-stack server system for ipv6 proxying # Full documentation about all available options located here: # All IP addresses mentioned are meant to be replaced with YOUR IPs, please do so # This file should be saved as /etc/haproxy/haproxy.cfg # HAProxy configuration file for IPv6 translation to IPv4-only webservice reverse proxy Then, I dropped this /etc/haproxy/haproxy.cfg file into place: I did this install on a dedicated server first. To prove this can work, I took a look at a random 3rd party web site that I’d like to see participate in World IPv6 Day. Read on to see the proof of concept, this in action: The only caveot to this is that all traffic from your proxy will appear to the server as coming from the proxy ipv4 ip. HAProxy can TCP proxy, instead of HTTP proxy, so the end user will be talking directly to the server. You don’t need to load the HTTPS ssl cert, either. You can use HAProxy, available at, to turn your Linux or Solaris based dedicated (or virtual dedicated) server into an IPv6 translation proxy! And, it’ll work for both HTTP and HTTPS. So, as long as this proxy server can handle 5% of your normal load, it’ll work.

For one, the percentage of Internet traffic that’ll come over IPv6, even on this day, is only about 1% to 5%. Can this be done reliably for a web site for World IPv6 Day.

The dedicated, dual stacked proxy server will listen on an IPv6 IP address and forward that traffic to an IPv4 address. We want this proxy to be a separate machine, anywhere on the Internet, that already has dual stack hosting. So, thinking about any web site out there that currently lives on IPv4, how can we make it dual stack, without owning or touching the existing servers? Answer: with a proxy. Either way, it’s going to be rather transparent to the end user, unless these sites flash something to users to say “HEY, YOU CONNECTED OVER IPv6”. If you don’t have IPv6, you’ll just connect the same old way you do today. In other words, if you type in on Jand your computer can reach the IPv6 Internet, then your browser will fetch the AAAA record and connect to google’s site via IPv6, instead of IPv4. They do this by publishing a AAAA DNS record, that’s an IPv6 address in DNS, so their site will resolve and be available on both IPv4 and IPv6 simultaneously. Have you heard of World IPv6 Day? On June 8 2011, a lot of very prominent web sites, like Google, Facebook, Yahoo and many more, are going to host their web site on dual stack for the day.

Http v4 to v6 proxy