All ports
Port1937/UDP
jwserverPort
1937
Protocol
UDP
Category
Registered
Service
jwserver
What is port 1937?
Port 1937/UDP is a Registered port, registered with IANA for specific applications. It is associated with the jwserver service.
JetVWay Server Port
Useful commands
nmapnmap -p 1937 -sV example.comnetcatnc -zv example.com 1937curlcurl -v http://example.com:1937/telnettelnet example.com 1937bash(echo > /dev/udp/example.com/1937) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1937/udpDeny
sudo ufw deny 1937/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1937 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1937 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1937/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1937" dir=in action=allow protocol=UDP localport=1937Security 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- Outdated versions with vulnerabilities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 1937/UDP?
Port 1937/UDP is associated with the jwserver service. JetVWay Server Port
Is it safe to expose port 1937 to the Internet?
It depends on the service and configuration. Port 1937 (jwserver) 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 1937 is open?
You can use nmap: `nmap -p 1937 -sV example.com`, netcat: `nc -zv example.com 1937`, or the bash command: `(echo > /dev/udp/example.com/1937) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1937 on my firewall?
On Linux with UFW: `sudo ufw allow 1937/udp` (open) or `sudo ufw deny 1937/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1937 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1937" dir=in action=allow protocol=UDP localport=1937`.
What applications and services use port 1937?
Port 1937/UDP is used by the jwserver service. Specific uses depend on the software and configuration. Check our related tools section for more information.