Port 212
anet · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | anet |
Frequently asked questions
What is port 212 used for?
Port 212 is registered with the IANA for anet (TCP/UDP). Description: ATEXSSTR.
Is port 212 a well-known port?
Yes. Port 212 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 212 is open?
Locally on Linux with ss -tulpn | grep ':212\b', on Windows with netstat -ano | findstr :212. To test a remote host use Test-NetConnection <host> -Port 212 in PowerShell or nc -zv <host> 212 on Linux/macOS.
How do I open port 212 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 212/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=212/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 212" -Direction Inbound -Protocol TCP -LocalPort 212 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | anet | ATEXSSTR |
| UDP | anet | ATEXSSTR |