This page is for advanced users only
Summary
The UDP protocol is used for server queries.
Here's a PHP class to utilize the server query: 
Query Types
Ping using value 0x00, or query using value 0x01.
Query Request Data
| Index
 | 
Name
 | 
Presence
 | 
Data
 | 
Byte Count
 | 
Description
 | 
| 1
 | 
Identifier
 | 
Required
 | 
0xFF 0xFF U G P 0x00
 | 
6
 | 
Identifier for server query protocol.
 | 
| 2
 | 
Version
 | 
Required
 | 
0x01
 | 
1
 | 
Version of the server query protocol.
 | 
| 3
 | 
Request Type
 | 
Required
 | 
0x00 or 0x01
 | 
1
 | 
Use 0x00 for ping, or use 0x01 for query.
 | 
Requested Information
This section is only included in the packet if Request Type is query.
| Index
 | 
Name
 | 
Presence
 | 
Data
 | 
Byte Count
 | 
Description
 | 
| 4
 | 
Request Flags
 | 
Required
 | 
See Table Below: Request Flags
 | 
1
 | 
Bit flags which specify the data to fetch.
 | 
| 5
 | 
Server Information Flags
 | 
Required if Request Flags contains Server Information
 | 
See Table Below: Server Information Flags
 | 
0 or 1
 | 
Bit flags which specify the server information data to fetch.
 | 
| 6
 | 
Player Information Flags
 | 
Required if Request Flags contains Player Information
 | 
See Table Below: Player Information Flags
 | 
0 or 1
 | 
Bit flags which specify the player information data to fetch.
 | 
| 7
 | 
Extra Player Information Flags
 | 
Required if both: 
- Request Flags contains Player Information
  
- Player Information Flags contains Extra Player Information Flags
  
 | 
See Table Below: Extra Player Information Flags
 | 
0 or 1
 | 
Bit flags which specify the extra player information data to fetch.
 | 
| 8
 | 
Team Information Flags
 | 
Required if Request Flags contains Team Information
 | 
See Table Below: Team Information Flags
 | 
0 or 1
 | 
Bit flags which specify the team information data to fetch.
 | 
| 9
 | 
Rule Information Flags
 | 
Required if Request Flags contains Rule Information
 | 
 | 
0 or 1
 | 
Bit flags which specify the rule information data to fetch.
 | 
Query Response Data
Query Flags
Request Flags
| Name
 | 
Value
 | 
Description
 | 
| Server Information
 | 
0x01
 | 
Fetches generic information about the server.
 | 
| Player Information
 | 
0x02
 | 
Fetches player information for connected players.
 | 
| Team Information
 | 
0x04
 | 
Fetches team information for active teams.
 | 
| Rule Information
 | 
0x08
 | 
Fetches the rules.
 | 
Server Information Flags
| Name
 | 
Value
 | 
Description
 | 
| Game Name
 | 
0x01
 | 
Fetches the game name text.
 | 
| Extra Flags
 | 
0x02
 | 
Specifies that Extra Server Information Query Flags are used.
 | 
| Server Name
 | 
0x04
 | 
Fetches the server name text.
 | 
| Server Mode
 | 
0x08
 | 
Fetches the server mode text.
 | 
| Server Map
 | 
0x10
 | 
Fetches the server map type.
 | 
| Current Player Count
 | 
0x20
 | 
Fetches the current player count.
 | 
| Max Player Count
 | 
0x40
 | 
Fetches the max player count.
 | 
| Name
 | 
Value
 | 
Description
 | 
| Passworded
 | 
0x01
 | 
Fetches the server passworded state.
 | 
| Version
 | 
0x02
 | 
Fetches the server version text.
 | 
| OS
 | 
0x04
 | 
Fetches the server OS name text.
 | 
Player Information Flags
| Name
 | 
Value
 | 
Description
 | 
| ID
 | 
0x01
 | 
Fetches the ID for the player.
 | 
| Name
 | 
0x02
 | 
Fetches the name for the player.
 | 
| Team
 | 
0x04
 | 
Fetches the team for the player.
 | 
| Score
 | 
0x08
 | 
Fetches the score for the player.
 | 
| Kills
 | 
0x10
 | 
Fetches the kill count for the player.
 | 
| Deaths
 | 
0x20
 | 
Fetches the death count for the player.
 | 
| Extra Player Information Flags
 | 
0x40
 | 
Specifies that extra information about the player is present.
 | 
| Name
 | 
Value
 | 
Description
 | 
| Ping
 | 
0x01
 | 
Fetches the ping for the player.
 | 
| Time Joined
 | 
0x02
 | 
Fetches the time that the player joined.
 | 
| Position
 | 
0x04
 | 
Fetches the 3D position for the player.
 | 
| Health
 | 
0x08
 | 
Fetches the health amount for the player.
 | 
| Armour
 | 
0x10
 | 
Fetches the armour amount for the player.
 | 
| Skin
 | 
0x20
 | 
Fetches the skin model ID for the player.
 | 
Team Information Flags
| Name
 | 
Value
 | 
Description
 | 
| Name
 | 
0x01
 | 
Fetches the name of the team.
 | 
| Score
 | 
0x02
 | 
Fetches the score for the team.
 | 
| Player Count
 | 
0x04
 | 
Fetches the player count in the team.
 | 
| Colour
 | 
0x08
 | 
Fetches the colour for the team.
 |