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ArmA Multiplayer Server Reporting
Port 2303 is primarily used by ArmA multiplayer servers to handle server status reporting and lightweight communications. It is often the default port incremented by one over the main game connection port. This port facilitates game state synchronization, server list broadcasting, and connection coordination among clients for a smoother multiplayer experience..
ArmA, a military simulation game developed by Bohemia Interactive, utilizes UDP port 2303 for its multiplayer infrastructure, specifically for server status reporting and communication coordination. This port typically serves as an adjunct to the main gameplay traffic, which may occur on an adjacent or base port, to separate game data from server listing and management exchanges.
The game client communicates to servers via this port to discover active sessions, retrieve server metadata, report latency, and initiate connection handshakes. This separation helps reduce congestion on the primary gameplay data stream and maintains continuity in server management tasks.
Being connectionless, UDP is favored for its low overhead and reduced latency in gaming scenarios, allowing for quick updates that do not require acknowledgments, which is ideal for real-time server status interrogations and rapid matchmaking.