Port 206
at-zis · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | at-zis |
Frequently asked questions
What is port 206 used for?
Port 206 is registered with the IANA for at-zis (TCP/UDP). Description: AppleTalk Zone Information.
Is port 206 a well-known port?
Yes. Port 206 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 206 is open?
Locally on Linux with ss -tulpn | grep ':206\b', on Windows with netstat -ano | findstr :206. To test a remote host use Test-NetConnection <host> -Port 206 in PowerShell or nc -zv <host> 206 on Linux/macOS.
How do I open port 206 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 206/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=206/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 206" -Direction Inbound -Protocol TCP -LocalPort 206 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | at-zis | AppleTalk Zone Information |
| UDP | at-zis | AppleTalk Zone Information |