Port 12000
entextxid · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | entextxid |
Frequently asked questions
What is port 12000 used for?
Port 12000 is registered with the IANA for entextxid (TCP/UDP). Description: IBM Enterprise Extender SNA XID Exchange.
Is port 12000 a well-known port?
No. Port 12000 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 12000 is open?
Locally on Linux with ss -tulpn | grep ':12000\b', on Windows with netstat -ano | findstr :12000. To test a remote host use Test-NetConnection <host> -Port 12000 in PowerShell or nc -zv <host> 12000 on Linux/macOS.
How do I open port 12000 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 12000/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=12000/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 12000" -Direction Inbound -Protocol TCP -LocalPort 12000 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | entextxid | IBM Enterprise Extender SNA XID Exchange |
| UDP | entextxid | IBM Enterprise Extender SNA XID Exchange |