Port 3897

sdo-ssh · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesdo-ssh
Registered2003-10

Frequently asked questions

What is port 3897 used for?

Port 3897 is registered with the IANA for sdo-ssh (TCP/UDP). Description: Simple Distributed Objects over SSH.

Is port 3897 a well-known port?

No. Port 3897 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 3897 is open?

Locally on Linux with ss -tulpn | grep ':3897\b', on Windows with netstat -ano | findstr :3897. To test a remote host use Test-NetConnection <host> -Port 3897 in PowerShell or nc -zv <host> 3897 on Linux/macOS.

How do I open port 3897 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 3897/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3897/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3897" -Direction Inbound -Protocol TCP -LocalPort 3897 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsdo-sshSimple Distributed Objects over SSH
UDPsdo-sshSimple Distributed Objects over SSH

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