Port 750
kerberos-iv, loadav and rfile · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | kerberos-iv, loadav and rfile |
Frequently asked questions
What is port 750 used for?
Port 750 is registered with the IANA for kerberos-iv, loadav and rfile (TCP/UDP). Description: ; kerberos version iv.
Is port 750 a well-known port?
Yes. Port 750 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 750 is open?
Locally on Linux with ss -tulpn | grep ':750\b', on Windows with netstat -ano | findstr :750. To test a remote host use Test-NetConnection <host> -Port 750 in PowerShell or nc -zv <host> 750 on Linux/macOS.
How do I open port 750 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 750/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=750/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 750" -Direction Inbound -Protocol TCP -LocalPort 750 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rfile | |
| UDP | loadav | |
| UDP | kerberos-iv | kerberos version iv |