All ports
Port2037/UDP
applusPort
2037
Protocol
UDP
Category
Registered
Service
applus
What is port 2037?
Port 2037/UDP is a Registered port, registered with IANA for specific applications. It is associated with the applus service.
APplus Application Server
Useful commands
nmapnmap -p 2037 -sV example.comnetcatnc -zv example.com 2037curlcurl -v http://example.com:2037/telnettelnet example.com 2037bash(echo > /dev/udp/example.com/2037) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2037/udpDeny
sudo ufw deny 2037/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2037 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2037 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2037/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2037" dir=in action=allow protocol=UDP localport=2037Security 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- Outdated versions with vulnerabilities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 2037/UDP?
Port 2037/UDP is associated with the applus service. APplus Application Server
Is it safe to expose port 2037 to the Internet?
It depends on the service and configuration. Port 2037 (applus) 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 2037 is open?
You can use nmap: `nmap -p 2037 -sV example.com`, netcat: `nc -zv example.com 2037`, or the bash command: `(echo > /dev/udp/example.com/2037) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2037 on my firewall?
On Linux with UFW: `sudo ufw allow 2037/udp` (open) or `sudo ufw deny 2037/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2037 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2037" dir=in action=allow protocol=UDP localport=2037`.
What applications and services use port 2037?
Port 2037/UDP is used by the applus service. Specific uses depend on the software and configuration. Check our related tools section for more information.