Network Protocol/Server

Details about the communication with the N-servers:

List of Records

Name	Record ID	Length	n-server	Description
ERROR <	\error\	?	?	Error record sent if there was any error.
CONNECT >	0x0900	18	248	Requesting a login challenge (while connecting to WFC).
> LOGIN_CHALLENGE	\lc\1\	38	242	N-server answers with challenge.
LOGIN >	\login\	365	242	Wii solves the challenge and logs in at the WFC.
> LOGGED_IN	\lc\2\	?	242	Server accepted solved Challenge and returns Sessionkey and User-IDs.
LOGOUT >	\logout\	32	242	Logout from WFC.
OTHERSLIST	\otherslist\	?	241	Sending current friend list to N-servers and receiving an list with nicknames.
> PROFILEID	\pi\	229	242	Sent by Nintendo if this is the first time connecting to WFC. Returns PID, UID and an signature.
RACESTATUS >	localip0	?	242	Status packet, send each minute during connection to WFC and during online races. Contains information about number of players, own IPs and own Ports
> FRIEND	\bm\100\	39 + status	242	N-Server returns information about friends. One to ten friends per packet. Is also sent if friend comes online and contains his IP and (later) his Port.
ADDBUDDY >	\addbuddy\	x * 65	242	?
? >	\ka\	11	242	Status packet send each 2 minutes
? >	mariokartwii	159	247	Unknown Record containing PID (profile id) and a few keywords.
> ?	\bm\1\	?	242	Friend-Record with crypted message.
STATUS >	\status\	?	242	?
> ?	\lt\	35	242	Sent each 4 minutes. ?

This protocol is also used by the other Wii games and DS/DSi Games, only the gamename in some records changes.