All ports
Port2237/TCP
optech-port1-lmPort
2237
Protocol
TCP
Category
Registered
Service
optech-port1-lm
What is port 2237?
Port 2237/TCP is a Registered port, registered with IANA for specific applications. It is associated with the optech-port1-lm service.
Optech Port1 License Manager
Useful commands
nmapnmap -p 2237 -sV example.comnetcatnc -zv example.com 2237curlcurl -v http://example.com:2237/telnettelnet example.com 2237bash(echo > /dev/tcp/example.com/2237) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2237/tcpDeny
sudo ufw deny 2237/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 2237 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 2237 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2237/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2237" dir=in action=allow protocol=TCP localport=2237Security 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- Outdated versions with vulnerabilities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 2237/TCP?
Port 2237/TCP is associated with the optech-port1-lm service. Optech Port1 License Manager
Is it safe to expose port 2237 to the Internet?
It depends on the service and configuration. Port 2237 (optech-port1-lm) 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 2237 is open?
You can use nmap: `nmap -p 2237 -sV example.com`, netcat: `nc -zv example.com 2237`, or the bash command: `(echo > /dev/tcp/example.com/2237) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2237 on my firewall?
On Linux with UFW: `sudo ufw allow 2237/tcp` (open) or `sudo ufw deny 2237/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 2237 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2237" dir=in action=allow protocol=TCP localport=2237`.
What applications and services use port 2237?
Port 2237/TCP is used by the optech-port1-lm service. Specific uses depend on the software and configuration. Check our related tools section for more information.