Port 2302Halo CE Multiplayer
Port 2302 is primarily used by Halo: Combat Evolved for its multiplayer functionality, enabling peer-to-peer matchmaking and gameplay sessions over UDP. It facilitates real-time communication of player positions, game events, and server coordination, essential for a smooth online multiplayer experience..
- transport
- udp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 10,119
single transport
payload readable on path
used by convention
caution
rank 456 of 993 · top 46%
1 other service is registered on port 2302. compare all 2 →
Technical Details
what runs on :2302Port 2302 serves a pivotal role in enabling multiplayer capabilities for Halo: Combat Evolved. This port acts as the primary communication channel for the game client and server architectures. Utilizing the UDP protocol, it allows for low-latency real-time transmission of gameplay data such as player movements, shots fired, and other dynamic game state updates.
When a player hosts a multiplayer session, their machine listens on UDP port 2302, accepting incoming connections from other players wishing to join. The game's networking engine relies on quick datagram exchanges rather than reliable transmission, which is suitable for fast-paced action games where occasional packet loss is preferred over latency. This design choice ensures a responsive multiplayer environment, crucial for gameplay immersion.
Beyond simple client-server interactions, this port may also facilitate server discovery and session listings, depending on the game's matchmaking system version. The reliance on UDP over this port has become a community standard for Halo CE and related dedicated servers, allowing a predictable and manageable networking configuration.
Security Information
exposure of :2302risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
gaming averages 4.0 across 124 ports — this one sits level with it.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
unofficial
used by convention, not registered — what answers here varies by deployment
reachable over
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common vulnerabilities:
- Exposure of UDP port 2302 to the internet can make hosts susceptible to UDP-based DDoS amplification attacks or reflection attacks.
- Game servers lacking authentication may become targets for unauthorized access, game server hijacking, or cheating attempts.
- Since UDP is connectionless, it's prone to IP spoofing and may be exploited by attackers to forge packets, potentially causing server instability or unfair gameplay manipulation.
Common mitigations:
- Employ firewall rules to restrict port 2302 access solely to known, trusted IP ranges.
- Use server-side anti-cheat software and enforce strong authentication schemes for administrative access.
- Regularly update game server software to patch known exploits.
- Implement rate limiting to reduce susceptibility to UDP flooding.
- Monitor server traffic and employ DDoS protection services where appropriate.
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| :8888 | D2GS Admin Console | TCP | Remote Access | caution | 83.7k |
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| :1513 | Garena Gaming | TCPUDP | Gaming | caution | 33.1k |
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| :18200 | Audition Online Server Check | TCPUDP | Gaming | caution | 20.9k |
| :12345 | NetBus / NetBuster | Security | caution | 19.9k | |
| :18206 | Audition FAM DB | TCPUDP | Databases | caution | 19.1k |
| :18505 | Audition Dance Battle Status Check | TCPUDP | Network Services | caution | 18.9k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted