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Port 3724World of Warcraft

Port 3724 is primarily used by World of Warcraft, a popular massively multiplayer online role-playing game (MMORPG) developed by Blizzard Entertainment. It facilitates client-server communications essential for gameplay, including authentication, world updates, and player actions. As an unofficial yet standard port for this game, it supports both TCP and UDP protocols to ensure responsive, immersive online gaming experiences..

inNetwork ServicesGaming
transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
10,232

rank 444 of 993 · top 45%

1 other service is registered on port 3724. compare all 2 →

Technical Details

what runs on :3724

Port 3724 is commonly associated with Blizzard Entertainment's World of Warcraft. This MMORPG requires stable and efficient data transfer to enable seamless interaction between millions of global players and the game’s servers. The port manages traffic including login requests, real-time world state updates, chat messages, and coordination of player activities across complex game environments.

The port supports both TCP and UDP protocols, balancing reliability and speed. TCP is utilized for connections where data integrity is critical, such as user authentication and account management, while UDP handles latency-sensitive communication like in-game positional updates and event notifications. This dual protocol support optimizes user experience by providing responsive gameplay while maintaining connection stability.

Though primarily linked to World of Warcraft, port 3724 can be repurposed by other applications or services if not filtered. However, gaming dominates its usage context. There is no known use involving SCTP protocol, limiting the port mainly to TCP and UDP usage relevant to game hosting and client interactions.

Security Information

exposure of :3724

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

network services averages 3.9 across 604 ports — this one sits 0.1 above.

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

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

World of Warcraft's use of port 3724 can introduce various security concerns:

Common vulnerabilities:

  • Potential for DDoS attacks targeting port 3724 to disrupt game servers or degrade player experience.
  • Abuse of open port leading to unauthorized connection attempts, exploitation of unpatched server vulnerabilities, or use as a vector for malware delivery.
  • Man-in-the-middle attacks during data transfer if encryption or proper authentication is lacking.

Common mitigations:

  • Deploying firewalls and intrusion detection systems to monitor and filter traffic on this port.
  • Implementing application-layer security such as TLS/SSL (where supported) to encrypt sensitive communications.
  • Regular patch management of gaming servers to address known vulnerabilities.
  • Limiting inbound traffic to known IP ranges or implementing rate limiting to reduce the risk of brute force or DDoS.
  • User awareness to avoid connecting through insecure networks, reducing exposure to interception.

Related Ports

all 604 in network services →

the 8 most looked-up other ports in network services — 604 ports carry that label.

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:8291Winbox MikroTik Admincaution
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:135Microsoft EPMAPcaution
:3128Tatsoft Default HTTP Proxycaution

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted