All ports
Port4065/UDP
avanti_cdpPort
4065
Protocol
UDP
Category
Registered
Service
avanti_cdp
What is port 4065?
Port 4065/UDP is a Registered port, registered with IANA for specific applications. It is associated with the avanti_cdp service.
Avanti Common Data
Useful commands
nmapnmap -p 4065 -sV example.comnetcatnc -zv example.com 4065curlcurl -v http://example.com:4065/telnettelnet example.com 4065bash(echo > /dev/udp/example.com/4065) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4065/udpDeny
sudo ufw deny 4065/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4065 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4065 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4065/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4065" dir=in action=allow protocol=UDP localport=4065Security 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- Outdated versions with vulnerabilities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 4065/UDP?
Port 4065/UDP is associated with the avanti_cdp service. Avanti Common Data
Is it safe to expose port 4065 to the Internet?
It depends on the service and configuration. Port 4065 (avanti_cdp) 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 4065 is open?
You can use nmap: `nmap -p 4065 -sV example.com`, netcat: `nc -zv example.com 4065`, or the bash command: `(echo > /dev/udp/example.com/4065) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4065 on my firewall?
On Linux with UFW: `sudo ufw allow 4065/udp` (open) or `sudo ufw deny 4065/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4065 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4065" dir=in action=allow protocol=UDP localport=4065`.
What applications and services use port 4065?
Port 4065/UDP is used by the avanti_cdp service. Specific uses depend on the software and configuration. Check our related tools section for more information.