Port 5635

sfmsso · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicesfmsso
Registered2008-09-15

Frequently asked questions

What is port 5635 used for?

Port 5635 is registered with the IANA for sfmsso (TCP/UDP). Description: SFM Authentication Subsystem; Reserved.

Is port 5635 a well-known port?

No. Port 5635 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 5635 is open?

Locally on Linux with ss -tulpn | grep ':5635\b', on Windows with netstat -ano | findstr :5635. To test a remote host use Test-NetConnection <host> -Port 5635 in PowerShell or nc -zv <host> 5635 on Linux/macOS.

How do I open port 5635 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 5635/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=5635/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 5635" -Direction Inbound -Protocol TCP -LocalPort 5635 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPsfmssoSFM Authentication Subsystem
UDP–Reserved

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