in case anyone is having issues where localhost is working but localhost virtual hosts are not, (ie site.localhost), with offline mode off, I had to set network.dns.disableIPv6 back to its default value of false to fix the virtual host problem. http://tristram.squarespace.com/home/2011/6/3/firefox-ignoring-etchosts-when-dns-not-available.html
in case anyone is having issues where localhost is working but localhost virtual hosts are not, (ie site.localhost), with offline mode off, I had to set network. dns.disableIPv6 back to its default value of false to fix the virtual host problem. tristram. squarespace. com/home/ 2011/6/ 3/firefox- ignoring- etchosts- when-dns- not-available. html
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