Port 2376 — Docker TLS

TCP · Port 2376/TCP is used for Docker's Transport Layer Security (TLS) protocol, enabling secure communication between the Docker daemon and clients. This port is crucial for encrypting data in transit, ensuring the confidentiality and integrity of Docker container management operations.

Port Number: 2376
Service Name: Docker TLS
Protocol: TCP
Common Software: Docker

Security Notes

Review IANA registry for port 2376 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 2376 used for?

Port 2376 is used for Docker TLS. Port 2376/TCP is used for Docker's Transport Layer Security (TLS) protocol, enabling secure communication between the Docker daemon and clients. This port is crucial for encrypting data in transit, ensuring the confidentiality and integrity of Docker container management operations. Common software: Docker.

Is port 2376 dangerous to leave open?

Review IANA registry for port 2376 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 2376 is open?

Use nmap: nmap -p 2376 <target> or check locally: ss -tlnp | rg 2376