All ports
Port16020/TCP
jwpcPort
16020
Protocol
TCP
Category
Registered
Service
jwpc
What is port 16020?
Port 16020/TCP is a Registered port, registered with IANA for specific applications. It is associated with the jwpc service.
Filemaker Java Web Publishing Core
Useful commands
nmapnmap -p 16020 -sV example.comnetcatnc -zv example.com 16020curlcurl -v http://example.com:16020/telnettelnet example.com 16020bash(echo > /dev/tcp/example.com/16020) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 16020/tcpDeny
sudo ufw deny 16020/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 16020 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 16020 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=16020/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 16020" dir=in action=allow protocol=TCP localport=16020Security 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- Outdated versions with vulnerabilities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 16020/TCP?
Port 16020/TCP is associated with the jwpc service. Filemaker Java Web Publishing Core
Is it safe to expose port 16020 to the Internet?
It depends on the service and configuration. Port 16020 (jwpc) 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 16020 is open?
You can use nmap: `nmap -p 16020 -sV example.com`, netcat: `nc -zv example.com 16020`, or the bash command: `(echo > /dev/tcp/example.com/16020) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 16020 on my firewall?
On Linux with UFW: `sudo ufw allow 16020/tcp` (open) or `sudo ufw deny 16020/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 16020 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 16020" dir=in action=allow protocol=TCP localport=16020`.
What applications and services use port 16020?
Port 16020/TCP is used by the jwpc service. Specific uses depend on the software and configuration. Check our related tools section for more information.