Port 3837

mkm-discovery · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicemkm-discovery
Registered2005-08

Frequently asked questions

What is port 3837 used for?

Port 3837 is registered with the IANA for mkm-discovery (TCP/UDP). Description: MARKEM Auto-Discovery.

Is port 3837 a well-known port?

No. Port 3837 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3837 is open?

Locally on Linux with ss -tulpn | grep ':3837\b', on Windows with netstat -ano | findstr :3837. To test a remote host use Test-NetConnection <host> -Port 3837 in PowerShell or nc -zv <host> 3837 on Linux/macOS.

How do I open port 3837 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3837/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3837/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3837" -Direction Inbound -Protocol TCP -LocalPort 3837 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPmkm-discoveryMARKEM Auto-Discovery
UDPmkm-discoveryMARKEM Auto-Discovery

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