Port 92
npp · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | npp |
Frequently asked questions
What is port 92 used for?
Port 92 is registered with the IANA for npp (TCP/UDP). Description: Network Printing Protocol.
Is port 92 a well-known port?
Yes. Port 92 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 92 is open?
Locally on Linux with ss -tulpn | grep ':92\b', on Windows with netstat -ano | findstr :92. To test a remote host use Test-NetConnection <host> -Port 92 in PowerShell or nc -zv <host> 92 on Linux/macOS.
How do I open port 92 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 92/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=92/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 92" -Direction Inbound -Protocol TCP -LocalPort 92 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | npp | Network Printing Protocol |
| UDP | npp | Network Printing Protocol |