Port 1644

saiseh · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesaiseh

Frequently asked questions

What is port 1644 used for?

Port 1644 is registered with the IANA for saiseh (TCP/UDP). Description: Satellite-data Acquisition System 4.

Is port 1644 a well-known port?

No. Port 1644 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 1644 is open?

Locally on Linux with ss -tulpn | grep ':1644\b', on Windows with netstat -ano | findstr :1644. To test a remote host use Test-NetConnection <host> -Port 1644 in PowerShell or nc -zv <host> 1644 on Linux/macOS.

How do I open port 1644 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 1644/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1644/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1644" -Direction Inbound -Protocol TCP -LocalPort 1644 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsaisehSatellite-data Acquisition System 4
UDPsaisehSatellite-data Acquisition System 4

Nearby entries