Port 3083

tl1-telnet · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicetl1-telnet

Frequently asked questions

What is port 3083 used for?

Port 3083 is registered with the IANA for tl1-telnet (TCP/UDP). Description: TL1-TELNET.

Is port 3083 a well-known port?

No. Port 3083 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3083 is open?

Locally on Linux with ss -tulpn | grep ':3083\b', on Windows with netstat -ano | findstr :3083. To test a remote host use Test-NetConnection <host> -Port 3083 in PowerShell or nc -zv <host> 3083 on Linux/macOS.

How do I open port 3083 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3083/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3083/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3083" -Direction Inbound -Protocol TCP -LocalPort 3083 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPtl1-telnetTL1-TELNET
UDPtl1-telnetTL1-TELNET

Nearby entries