Network
The Xbox contains an Ethernet module and one RJ45 connector. Additionally, separate modem and wireless accessories were considered when developing the console.
The Xbox has a TCP/IP protocol stack complete with a DNS PPTP, DHCP clients.
Port 3074 UDP/TCP is reserved for Xbox communications.
Contents
Hardware
Integrated in the Nvidia Southbridge MCPX chip which is similar to the nForce chips. The Xbox Linux team used the binary drivers from Nvidia.
System Link
| function | description |
|---|---|
| XNetCreateKey(&xnkid, &xnkey) | |
| XNetRegisterKey(&xnkid, &xnkey) | Register the session key |
| XNetXnAddrToInAddr( pxnaddr, pxnkid, &pseudoIP ) | Convert the address to a winsock usable format |
| XNetUnregisterKey( &xbc.SessionID ) | |
| XNetGetTitleXnAddr( &hostAddr ) | Gets your XNADDR. Used by syslink, and lots of other people. |
| XNetGetEthernetLinkStatus() | |
Xbox Live
Xbox Live is an online multiplayer gaming and digital media delivery service created and operated by Microsoft. It was first made available to the Xbox system in November 2002. [Wikipedia]
Matchmaking servers
Game servers
Authentication servers
Authentication and access to Xbox Live services is controlled using the Kerberos protocol with a few proprietary customizations for the Xbox.
Kerberos Authentication Server: macs.xboxlive.com
| padata-type | description |
|---|---|
| 131 | ? |
| 204 | ? |
| 206 | Information about Xbox Version, Title, and Title version |
Xbox Live Functions
| function | description |
|---|---|
| XOnlineGetUsers(XONLINE_USER* XBLAccountusers, DWORD* numOfXBLiveAccounts) | The XOnlineGetUsers function will enumerate both the hard disk and any attached memory units looking for user accounts |
| XOnlineTaskClose(XONLINETASK_HANDLE logonHandle) | Called to abort the authentication process. |
| XOnlineStartup( XONLINE_STARTUP_PARAMS* ) | |
| XOnlineLogon(XONLINE_USER* XBLLoggedOnUsers, DWORD* XBLservices, DWORD SERVICE_COUNT, NULL, XONLINETASK_HANDLE &logonHandle) | When a title calls XOnlineLogon to sign in, instead of blocking until the authentication completes, an asynchronous task handle is returned. As part of the authentication process a title must specify which services it will be using (XBLservices, SERVICE_COUNT). |
| XOnlineTaskContinue(XONLINETASK_HANDLE logonHandle) | Called to check the status of XOnlineLogon. |
| XOnlineLogonTaskGetResults(XONLINETASK_HANDLE logonHandle) | |
| XOnlineGetLogonUsers() | This returns a pointer to an array of XONLINE USER structures. This array is similar the XONLINE USER array we populated and passed into XOnlineLogon, but is updated with error status and permission flags for each user. |
| XOnlineSetUserGuestNumber(dwUserFlags , 1) | |
| XOnlineTitleUpdate(DWORD) | The XOnlineTitleUpdate function will boot into an updater application, which performs the actual update |
| XOnlineGetServiceInfo(Service, ?) | XOnlineGetServiceInfo returns the connection status for a service |
| XOnlineNotificationSetState | |
Heartbeat
Ethernet II, Src: Microsof_f2:00:00 (00:50:f2:f2:00:00), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
MS Network Load Balancing
Signature: Unknown (0x584f4258)
Version: 1.1
Unique Host ID: 3118682055
Cluster IP: 167.102.81.132 (167.102.81.132)
Host IP: 4.89.169.109 (4.89.169.109)
Signature Data - Unknown (1481589336)
References and links
- https://xboxlivehacking.blogspot.de/
- https://github.com/grayj/Jedi-Academy/blob/master/codemp/xbox/XBLive.cpp
- http://discerning.com/pdfbox/test/input/authentication.pdf
- Patent: Managing access to content
- Patent: Network architecture for secure communications between two console-based gaming systems
- Patent: Architecture for manufacturing authenticatable gaming systems
- Patent: Discovery and distribution of game session information
- Patent: Security gateway for online console-based gaming
- Patent: Presence and notification system for maintaining and communicating information
- Patent: Multiple user authentication for online console-based gaming
