Port 7100

font-service · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicefont-service

Frequently asked questions

What is port 7100 used for?

Port 7100 is registered with the IANA for font-service (TCP/UDP). Description: X Font Service.

Is port 7100 a well-known port?

No. Port 7100 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 7100 is open?

Locally on Linux with ss -tulpn | grep ':7100\b', on Windows with netstat -ano | findstr :7100. To test a remote host use Test-NetConnection <host> -Port 7100 in PowerShell or nc -zv <host> 7100 on Linux/macOS.

How do I open port 7100 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 7100/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7100/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7100" -Direction Inbound -Protocol TCP -LocalPort 7100 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPfont-serviceX Font Service
UDPfont-serviceX Font Service

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