Port 777

multiling-http · TCP/UDP

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

Frequently asked questions

What is port 777 used for?

Port 777 is registered with the IANA for multiling-http (TCP/UDP). Description: Multiling HTTP.

Is port 777 a well-known port?

Yes. Port 777 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 777 is open?

Locally on Linux with ss -tulpn | grep ':777\b', on Windows with netstat -ano | findstr :777. To test a remote host use Test-NetConnection <host> -Port 777 in PowerShell or nc -zv <host> 777 on Linux/macOS.

How do I open port 777 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 777/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=777/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 777" -Direction Inbound -Protocol TCP -LocalPort 777 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPmultiling-httpMultiling HTTP
UDPmultiling-httpMultiling HTTP

Nearby entries