All ports
Port20005/UDP
openwebnetPort
20005
Protocol
UDP
Category
Registered
Service
openwebnet
What is port 20005?
Port 20005/UDP is a Registered port, registered with IANA for specific applications. It is associated with the openwebnet service.
OpenWebNet protocol for electric network
Useful commands
nmapnmap -p 20005 -sV example.comnetcatnc -zv example.com 20005curlcurl -v http://example.com:20005/telnettelnet example.com 20005bash(echo > /dev/udp/example.com/20005) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 20005/udpDeny
sudo ufw deny 20005/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 20005 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 20005 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=20005/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 20005" dir=in action=allow protocol=UDP localport=20005Security 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- Outdated versions with vulnerabilities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 20005/UDP?
Port 20005/UDP is associated with the openwebnet service. OpenWebNet protocol for electric network
Is it safe to expose port 20005 to the Internet?
It depends on the service and configuration. Port 20005 (openwebnet) 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 20005 is open?
You can use nmap: `nmap -p 20005 -sV example.com`, netcat: `nc -zv example.com 20005`, or the bash command: `(echo > /dev/udp/example.com/20005) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 20005 on my firewall?
On Linux with UFW: `sudo ufw allow 20005/udp` (open) or `sudo ufw deny 20005/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 20005 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 20005" dir=in action=allow protocol=UDP localport=20005`.
What applications and services use port 20005?
Port 20005/UDP is used by the openwebnet service. Specific uses depend on the software and configuration. Check our related tools section for more information.