Port 18506Audition Online Dance Battle Nexon

Port 18506 is primarily associated with Nexon's Audition Online Dance Battle game servers, facilitating real-time multiplayer gameplay. The port handles network traffic between game clients and Nexon's infrastructure, supporting both TCP and UDP protocols to enable gameplay interactions such as matchmaking, data synchronization, and in-game communication. Due to its use in an online gaming environment, the port often supports high concurrency and low latency communication..

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
15,779

rank 192 of 993 · top 19%

Technical Details

what runs on :18506

Overview

Port 18506 is widely utilized within Nexon's Audition Online Dance Battle, a massively multiplayer online rhythm game. It serves as a dedicated communication channel between the game's client applications and Nexon's hosting servers. Supporting both TCP and UDP protocols, it optimizes connection reliability and low-latency performance necessary for responsive game controls and smooth gameplay experiences.

Protocol Utilization

TCP connections on this port manage critical game data exchanges that require delivery assurance, such as player authentication, profile loading, and persistent session management. UDP is predominantly employed for rapid exchange of real-time gameplay data, including dance step synchronization and player versus player interactions, where speed outweighs the need for guaranteed delivery. This dual-protocol approach supports both reliable initiation and sustainment of gaming sessions.

Deployment Context

The port is unofficial but commonly recognized in the online gaming landscape specific to Nexon's platform. It is typically exposed through game clients on player devices connecting to regional Nexon servers, often traversing NAT/firewall configurations. While not exclusive to a single game instance, it forms a keystone in multiplayer session orchestration, including chat, matchmaking, and gameplay data streams.

Security Information

exposure of :18506

risk 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

tcp · udp

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

security overview

Common Vulnerabilities

  • DDoS Attacks: Gaming servers exposing this port can be targeted for Distributed Denial-of-Service attacks, overwhelming network resources and causing downtime.
  • Injection Attacks: If traffic is not properly sanitized, there is a risk of injection exploits that manipulate game state or server logic.
  • Cheat Exploitation: Open ports can facilitate unauthorized clients or modified game software attempting to exploit gameplay logic.
  • Man-in-the-Middle (MitM): Without encryption, attackers might intercept or alter communication between client and server.

Mitigations

  • Firewall Rules: Restrict inbound and outbound traffic to known IPs or ranges to limit exposure.
  • Rate Limiting: Implement controls to prevent abuse and mitigate potential DDoS attempts.
  • Traffic Encryption: Although the port typically is unencrypted, adopting SSL/TLS wrappers can reduce eavesdropping and tampering risks.
  • Server Hardening: Keep all game server software updated and monitor logs for unusual access patterns.
  • Authentication Enforcement: Use strong server-side authentication and maintain integrity checks to thwart unauthorized access or exploited clients.

the 8 most looked-up other ports in gaming — 124 ports carry that label.

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted