All ports
Port4446/UDP
n1-fwpPort
4446
Protocol
UDP
Category
Registered
Service
n1-fwp
What is port 4446?
Port 4446/UDP is a Registered port, registered with IANA for specific applications. It is associated with the n1-fwp service.
N1-FWP
Useful commands
nmapnmap -p 4446 -sV example.comnetcatnc -zv example.com 4446curlcurl -v http://example.com:4446/telnettelnet example.com 4446bash(echo > /dev/udp/example.com/4446) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4446/udpDeny
sudo ufw deny 4446/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4446 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4446 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4446/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4446" dir=in action=allow protocol=UDP localport=4446Security 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- Outdated versions with vulnerabilities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 4446/UDP?
Port 4446/UDP is associated with the n1-fwp service. N1-FWP
Is it safe to expose port 4446 to the Internet?
It depends on the service and configuration. Port 4446 (n1-fwp) 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 4446 is open?
You can use nmap: `nmap -p 4446 -sV example.com`, netcat: `nc -zv example.com 4446`, or the bash command: `(echo > /dev/udp/example.com/4446) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4446 on my firewall?
On Linux with UFW: `sudo ufw allow 4446/udp` (open) or `sudo ufw deny 4446/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4446 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4446" dir=in action=allow protocol=UDP localport=4446`.
What applications and services use port 4446?
Port 4446/UDP is used by the n1-fwp service. Specific uses depend on the software and configuration. Check our related tools section for more information.