Port 372

ulistproc · TCP/UDP

RangeSystem/well-known port (0–1023)
ProtocolTCP/UDP
Serviceulistproc

Frequently asked questions

What is port 372 used for?

Port 372 is registered with the IANA for ulistproc (TCP/UDP). Description: ListProcessor.

Is port 372 a well-known port?

Yes. Port 372 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 372 is open?

Locally on Linux with ss -tulpn | grep ':372\b', on Windows with netstat -ano | findstr :372. To test a remote host use Test-NetConnection <host> -Port 372 in PowerShell or nc -zv <host> 372 on Linux/macOS.

How do I open port 372 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 372/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=372/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 372" -Direction Inbound -Protocol TCP -LocalPort 372 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPulistprocListProcessor
UDPulistprocListProcessor

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