Port 9001 — Tor ORPort

TCP · Port 9001/TCP is the default OR (exit) port used by Tor for outgoing connections. This port allows users to connect to the Tor network and route their internet traffic through a series of relays to maintain anonymity. The security relevance lies in its ability to provide confidentiality, integrity, and authenticity for online communications.

Port Number: 9001
Service Name: Tor ORPort
Protocol: TCP
Common Software: Tor

Security Notes

Review IANA registry for port 9001 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 9001 used for?

Port 9001 is used for Tor ORPort. Port 9001/TCP is the default OR (exit) port used by Tor for outgoing connections. This port allows users to connect to the Tor network and route their internet traffic through a series of relays to maintain anonymity. The security relevance lies in its ability to provide confidentiality, integrity, and authenticity for online communications. Common software: Tor.

Is port 9001 dangerous to leave open?

Review IANA registry for port 9001 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 9001 is open?

Use nmap: nmap -p 9001 <target> or check locally: ss -tlnp | rg 9001