Port 5582

fac-restore · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicefac-restore
Registered2008-02-19

Frequently asked questions

What is port 5582 used for?

Port 5582 is registered with the IANA for fac-restore (TCP/UDP). Description: T-Mobile SMS Protocol Message 3.

Is port 5582 a well-known port?

No. Port 5582 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5582 is open?

Locally on Linux with ss -tulpn | grep ':5582\b', on Windows with netstat -ano | findstr :5582. To test a remote host use Test-NetConnection <host> -Port 5582 in PowerShell or nc -zv <host> 5582 on Linux/macOS.

How do I open port 5582 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5582/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5582/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5582" -Direction Inbound -Protocol TCP -LocalPort 5582 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPfac-restoreT-Mobile SMS Protocol Message 3
UDPfac-restoreT-Mobile SMS Protocol Message 3

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