Port 207
at-7 · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | at-7 |
Frequently asked questions
What is port 207 used for?
Port 207 is registered with the IANA for at-7 (TCP/UDP). Description: AppleTalk Unused.
Is port 207 a well-known port?
Yes. Port 207 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 207 is open?
Locally on Linux with ss -tulpn | grep ':207\b', on Windows with netstat -ano | findstr :207. To test a remote host use Test-NetConnection <host> -Port 207 in PowerShell or nc -zv <host> 207 on Linux/macOS.
How do I open port 207 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 207/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=207/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 207" -Direction Inbound -Protocol TCP -LocalPort 207 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | at-7 | AppleTalk Unused |
| UDP | at-7 | AppleTalk Unused |