All ports
Port8019/UDP
qbdbPort
8019
Protocol
UDP
Category
Registered
Service
qbdb
What is port 8019?
Port 8019/UDP is a Registered port, registered with IANA for specific applications. It is associated with the qbdb service.
QB DB Dynamic Port
Useful commands
nmapnmap -p 8019 -sV example.comnetcatnc -zv example.com 8019curlcurl -v http://example.com:8019/telnettelnet example.com 8019bash(echo > /dev/udp/example.com/8019) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 8019/udpDeny
sudo ufw deny 8019/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 8019 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 8019 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=8019/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 8019" dir=in action=allow protocol=UDP localport=8019Security 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- Outdated versions with vulnerabilities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 8019/UDP?
Port 8019/UDP is associated with the qbdb service. QB DB Dynamic Port
Is it safe to expose port 8019 to the Internet?
It depends on the service and configuration. Port 8019 (qbdb) 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 8019 is open?
You can use nmap: `nmap -p 8019 -sV example.com`, netcat: `nc -zv example.com 8019`, or the bash command: `(echo > /dev/udp/example.com/8019) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 8019 on my firewall?
On Linux with UFW: `sudo ufw allow 8019/udp` (open) or `sudo ufw deny 8019/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 8019 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 8019" dir=in action=allow protocol=UDP localport=8019`.
What applications and services use port 8019?
Port 8019/UDP is used by the qbdb service. Specific uses depend on the software and configuration. Check our related tools section for more information.