Port 3879

appss-lm · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceappss-lm
Registered2003-10

Frequently asked questions

What is port 3879 used for?

Port 3879 is registered with the IANA for appss-lm (TCP/UDP). Description: appss license manager.

Is port 3879 a well-known port?

No. Port 3879 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3879 is open?

Locally on Linux with ss -tulpn | grep ':3879\b', on Windows with netstat -ano | findstr :3879. To test a remote host use Test-NetConnection <host> -Port 3879 in PowerShell or nc -zv <host> 3879 on Linux/macOS.

How do I open port 3879 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3879/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3879/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3879" -Direction Inbound -Protocol TCP -LocalPort 3879 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPappss-lmappss license manager
UDPappss-lmappss license manager

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