IPv6 October 1, 2009
A lot of software is already IPv6-aware and sometimes tries to use the IPv6 first instead of bad old v4. This already confused me once in Vista as I described here. This time it was Firefox in Linux. It took me a while to find the reason why it can connect to google and few other pages but not the rest of the Internet while I can ping these addresses. The solution is simple, just go to about:config and set the “network.dns.disable.ipv6″ key to true :-)
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