Port 3099

chmd · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicechmd

Frequently asked questions

What is port 3099 used for?

Port 3099 is registered with the IANA for chmd (TCP/UDP). Description: CHIPSY Machine Daemon.

Is port 3099 a well-known port?

No. Port 3099 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3099 is open?

Locally on Linux with ss -tulpn | grep ':3099\b', on Windows with netstat -ano | findstr :3099. To test a remote host use Test-NetConnection <host> -Port 3099 in PowerShell or nc -zv <host> 3099 on Linux/macOS.

How do I open port 3099 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3099/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3099/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3099" -Direction Inbound -Protocol TCP -LocalPort 3099 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPchmdCHIPSY Machine Daemon
UDPchmdCHIPSY Machine Daemon

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