All ports
Port537/TCP
nmspPort
537
Protocol
TCP
Category
Well-Known
Service
nmsp
What is port 537?
Port 537/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the nmsp service.
Networked Media Streaming Protocol
Useful commands
nmapnmap -p 537 -sV example.comnetcatnc -zv example.com 537curlcurl -v http://example.com:537/telnettelnet example.com 537bash(echo > /dev/tcp/example.com/537) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 537/tcpDeny
sudo ufw deny 537/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 537 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 537 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=537/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 537" dir=in action=allow protocol=TCP localport=537Security 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- Outdated versions with vulnerabilities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 537/TCP?
Port 537/TCP is associated with the nmsp service. Networked Media Streaming Protocol
Is it safe to expose port 537 to the Internet?
It depends on the service and configuration. Port 537 (nmsp) is a Well-Known 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 537 is open?
You can use nmap: `nmap -p 537 -sV example.com`, netcat: `nc -zv example.com 537`, or the bash command: `(echo > /dev/tcp/example.com/537) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 537 on my firewall?
On Linux with UFW: `sudo ufw allow 537/tcp` (open) or `sudo ufw deny 537/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 537 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 537" dir=in action=allow protocol=TCP localport=537`.
What applications and services use port 537?
Port 537/TCP is used by the nmsp service. Specific uses depend on the software and configuration. Check our related tools section for more information.