Port 4537

wssauthsvc · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Servicewssauthsvc
Registered2006-01

Frequently asked questions

What is port 4537 used for?

Port 4537 is registered with the IANA for wssauthsvc (TCP/UDP). Description: WSS Security Service.

Is port 4537 a well-known port?

No. Port 4537 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4537 is open?

Locally on Linux with ss -tulpn | grep ':4537\b', on Windows with netstat -ano | findstr :4537. To test a remote host use Test-NetConnection <host> -Port 4537 in PowerShell or nc -zv <host> 4537 on Linux/macOS.

How do I open port 4537 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4537/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4537/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4537" -Direction Inbound -Protocol TCP -LocalPort 4537 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPwssauthsvcWSS Security Service
UDPwssauthsvcWSS Security Service

Nearby entries