All ports
Port1387/TCP
cadsi-lmPort
1387
Protocol
TCP
Category
Registered
Service
cadsi-lm
What is port 1387?
Port 1387/TCP is a Registered port, registered with IANA for specific applications. It is associated with the cadsi-lm service.
Computer Aided Design Software Inc LM
Useful commands
nmapnmap -p 1387 -sV example.comnetcatnc -zv example.com 1387curlcurl -v http://example.com:1387/telnettelnet example.com 1387bash(echo > /dev/tcp/example.com/1387) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1387/tcpDeny
sudo ufw deny 1387/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 1387 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 1387 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1387/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1387" dir=in action=allow protocol=TCP localport=1387Security 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- Outdated versions with vulnerabilities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 1387/TCP?
Port 1387/TCP is associated with the cadsi-lm service. Computer Aided Design Software Inc LM
Is it safe to expose port 1387 to the Internet?
It depends on the service and configuration. Port 1387 (cadsi-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 1387 is open?
You can use nmap: `nmap -p 1387 -sV example.com`, netcat: `nc -zv example.com 1387`, or the bash command: `(echo > /dev/tcp/example.com/1387) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1387 on my firewall?
On Linux with UFW: `sudo ufw allow 1387/tcp` (open) or `sudo ufw deny 1387/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 1387 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1387" dir=in action=allow protocol=TCP localport=1387`.
What applications and services use port 1387?
Port 1387/TCP is used by the cadsi-lm service. Specific uses depend on the software and configuration. Check our related tools section for more information.