All ports
Port4069/UDP
mingerPort
4069
Protocol
UDP
Category
Registered
Service
minger
What is port 4069?
Port 4069/UDP is a Registered port, registered with IANA for specific applications. It is associated with the minger service.
Minger Email Address Validation Service
Useful commands
nmapnmap -p 4069 -sV example.comnetcatnc -zv example.com 4069curlcurl -v http://example.com:4069/telnettelnet example.com 4069bash(echo > /dev/udp/example.com/4069) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4069/udpDeny
sudo ufw deny 4069/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4069 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4069 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4069/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4069" dir=in action=allow protocol=UDP localport=4069Security 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- Outdated versions with vulnerabilities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 4069/UDP?
Port 4069/UDP is associated with the minger service. Minger Email Address Validation Service
Is it safe to expose port 4069 to the Internet?
It depends on the service and configuration. Port 4069 (minger) 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 4069 is open?
You can use nmap: `nmap -p 4069 -sV example.com`, netcat: `nc -zv example.com 4069`, or the bash command: `(echo > /dev/udp/example.com/4069) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4069 on my firewall?
On Linux with UFW: `sudo ufw allow 4069/udp` (open) or `sudo ufw deny 4069/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4069 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4069" dir=in action=allow protocol=UDP localport=4069`.
What applications and services use port 4069?
Port 4069/UDP is used by the minger service. Specific uses depend on the software and configuration. Check our related tools section for more information.