Set on your DNS file when you got GSAUTH IP, change it for yours and now open FSGate and will connect to your IP, now you can build a prog for send packets to FSGate and recv too:
RequestData Packet: C1 0F 6B 73 20 64 65 2B 70 72 6F 15 11 09 04
GSAUTHFS Packet: 00C215010000000000000000000000312E30312E3134000000 4475616C6974794D5500
FSGATE OPTION 0 PACKET: C1 48 1A 13 2E 9B C0 E9 09 70 D1 FE 98 1C E3 9E 75 6F 50 34 79 DF F0 C7 39 40 FF CC AA 1C E3 9E 33 2A 1C 7D 6F FF 9E AE 41 40 FF CC AA 1C E3 9E 33 2A 1C 7D 29 9A F0 C7 CF 8D 3D E9 06 60 9A FD 7C 22 62 03 91 D8 CE 3A |