All ports
Port31620/TCP
lm-monPort
31620
Protocol
TCP
Category
Registered
Service
lm-mon
What is port 31620?
Port 31620/TCP is a Registered port, registered with IANA for specific applications. It is associated with the lm-mon service.
lm mon
Useful commands
nmapnmap -p 31620 -sV example.comnetcatnc -zv example.com 31620curlcurl -v http://example.com:31620/telnettelnet example.com 31620bash(echo > /dev/tcp/example.com/31620) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 31620/tcpDeny
sudo ufw deny 31620/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 31620 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 31620 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=31620/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 31620" dir=in action=allow protocol=TCP localport=31620Security 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- Outdated versions with vulnerabilities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 31620/TCP?
Port 31620/TCP is associated with the lm-mon service. lm mon
Is it safe to expose port 31620 to the Internet?
It depends on the service and configuration. Port 31620 (lm-mon) 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 31620 is open?
You can use nmap: `nmap -p 31620 -sV example.com`, netcat: `nc -zv example.com 31620`, or the bash command: `(echo > /dev/tcp/example.com/31620) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 31620 on my firewall?
On Linux with UFW: `sudo ufw allow 31620/tcp` (open) or `sudo ufw deny 31620/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 31620 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 31620" dir=in action=allow protocol=TCP localport=31620`.
What applications and services use port 31620?
Port 31620/TCP is used by the lm-mon service. Specific uses depend on the software and configuration. Check our related tools section for more information.