All ports
Port8937/TCP
twdsPort
8937
Protocol
TCP
Category
Registered
Service
twds
What is port 8937?
Port 8937/TCP is a Registered port, registered with IANA for specific applications. It is associated with the twds service.
Transaction Warehouse Data Service
Useful commands
nmapnmap -p 8937 -sV example.comnetcatnc -zv example.com 8937curlcurl -v http://example.com:8937/telnettelnet example.com 8937bash(echo > /dev/tcp/example.com/8937) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 8937/tcpDeny
sudo ufw deny 8937/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 8937 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 8937 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=8937/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 8937" dir=in action=allow protocol=TCP localport=8937Security 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- Outdated versions with vulnerabilities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 8937/TCP?
Port 8937/TCP is associated with the twds service. Transaction Warehouse Data Service
Is it safe to expose port 8937 to the Internet?
It depends on the service and configuration. Port 8937 (twds) 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 8937 is open?
You can use nmap: `nmap -p 8937 -sV example.com`, netcat: `nc -zv example.com 8937`, or the bash command: `(echo > /dev/tcp/example.com/8937) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 8937 on my firewall?
On Linux with UFW: `sudo ufw allow 8937/tcp` (open) or `sudo ufw deny 8937/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 8937 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 8937" dir=in action=allow protocol=TCP localport=8937`.
What applications and services use port 8937?
Port 8937/TCP is used by the twds service. Specific uses depend on the software and configuration. Check our related tools section for more information.