I'm not aware of any automatic code scanners for Linux; usually the easiest thing to do is try it and see what breaks. You can use a HE.net or SixXS tunnel to

I'm not aware of any automatic code scanners for Linux; usually the easiest thing to do is try it and see what breaks. You can use a HE.net or SixXS tunnel to get connectivity if your ISP isn't ready. Beej's Guide shows how to use the C socket APIs in a dual-stack manner: http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html#ip4to6 http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html... For testing your own network and browser, http://test-ipv6.com/ http://test-ipv6.com/ is quite good.