8333
Bitcoin P2P
Low RiskTCP — Other
Port Overview
Port Number
8333
Service Name
Bitcoin P2P
Transport Protocol
TCP
Category
Other
Security Risk
Low
Port Range
Registered (1024-49151)
What is Port 8333?
Port 8333 is the standard peer-to-peer communication port for the Bitcoin network, used by Bitcoin full nodes to connect to other nodes and synchronize the blockchain. Nodes accepting incoming connections on this port contribute to the health and decentralization of the Bitcoin network. Running a Bitcoin full node on this port helps support the network's resilience.
TCP
Other
Commonly Used
Security Considerations
Port 8333 (Bitcoin P2P) 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.