Port 7549

nls-tl · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicenls-tl
Registered2006-05

Frequently asked questions

What is port 7549 used for?

Port 7549 is registered with the IANA for nls-tl (TCP/UDP). Description: Network Layer Signaling Transport Layer.

Is port 7549 a well-known port?

No. Port 7549 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 7549 is open?

Locally on Linux with ss -tulpn | grep ':7549\b', on Windows with netstat -ano | findstr :7549. To test a remote host use Test-NetConnection <host> -Port 7549 in PowerShell or nc -zv <host> 7549 on Linux/macOS.

How do I open port 7549 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 7549/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7549/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7549" -Direction Inbound -Protocol TCP -LocalPort 7549 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPnls-tlNetwork Layer Signaling Transport Layer
UDPnls-tlNetwork Layer Signaling Transport Layer

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