All ports
Port4537/TCP
wssauthsvcPort
4537
Protocol
TCP
Category
Registered
Service
wssauthsvc
What is port 4537?
Port 4537/TCP is a Registered port, registered with IANA for specific applications. It is associated with the wssauthsvc service.
WSS Security Service
Useful commands
nmapnmap -p 4537 -sV example.comnetcatnc -zv example.com 4537curlcurl -v http://example.com:4537/telnettelnet example.com 4537bash(echo > /dev/tcp/example.com/4537) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4537/tcpDeny
sudo ufw deny 4537/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4537 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4537 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4537/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4537" dir=in action=allow protocol=TCP localport=4537Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 4537/TCP?
Port 4537/TCP is associated with the wssauthsvc service. WSS Security Service
Is it safe to expose port 4537 to the Internet?
It depends on the service and configuration. Port 4537 (wssauthsvc) is a Registered port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 4537 is open?
You can use nmap: `nmap -p 4537 -sV example.com`, netcat: `nc -zv example.com 4537`, or the bash command: `(echo > /dev/tcp/example.com/4537) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4537 on my firewall?
On Linux with UFW: `sudo ufw allow 4537/tcp` (open) or `sudo ufw deny 4537/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4537 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4537" dir=in action=allow protocol=TCP localport=4537`.
What applications and services use port 4537?
Port 4537/TCP is used by the wssauthsvc service. Specific uses depend on the software and configuration. Check our related tools section for more information.