http://ysshlyesehcnscptskrpai4iupxccuvfcpbxk37kclbs3rsaqmolzaid.onion/torify.html
This means that it does not torifies ICMP, SCTP, X.25, UDP, and so on. If you dont know what that means then... well. It means that it only torifies "normal internet" traffic. torify will BLOCK outgoing traffic that is not TCP.