21025
Starbound Game Server
Low RiskTCP — Gaming
Port Overview
Port Number
21025
Service Name
Starbound Game Server
Transport Protocol
TCP
Category
Gaming
Security Risk
Low
Port Range
Registered (1024-49151)
What is Port 21025?
Default port for Starbound multiplayer game servers. Starbound is a sandbox exploration game that uses this TCP port for player connections. Server operators must forward this port in their router for public access.
TCP
Gaming
Security Considerations
Port 21025 (Starbound Game Server) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.