The site is being served over ipv6, they are just redirecting you because your Host header doesn't match what they want. This works just fine: curl -g -H "Host

The site is being served over ipv6, they are just redirecting you because your Host header doesn't match what they want. This works just fine: curl -g -H "Host:www.facebook.com" -H "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.46 Safari/536.5" "http://[2a03:2880:10:1f02:face:b00c::25] http://[2a03:2880:10:1f02:face:b00c::25]