Ultima Online Protocol :: Post Login
Packet # Packet Name Length Client Server Obsolete
0x91 Post Login 0x0041 X X
Data Type Description
byte 0x91 The packet number.
uint Key The gameplay encryption key. This is usually the account number.
char[30] Name The name of the account.
char[30] Name The account's password.

Packet Description:
This is sent to login to the Game Server.