All ports
Port1683/UDP
ncpm-hipPort
1683
Protocol
UDP
Category
Registered
Service
ncpm-hip
What is port 1683?
Port 1683/UDP is a Registered port, registered with IANA for specific applications. It is associated with the ncpm-hip service.
ncpm-hip
Useful commands
nmapnmap -p 1683 -sV example.comnetcatnc -zv example.com 1683curlcurl -v http://example.com:1683/telnettelnet example.com 1683bash(echo > /dev/udp/example.com/1683) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1683/udpDeny
sudo ufw deny 1683/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1683 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1683 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1683/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1683" dir=in action=allow protocol=UDP localport=1683Security 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- Outdated versions with vulnerabilities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 1683/UDP?
Port 1683/UDP is associated with the ncpm-hip service. ncpm-hip
Is it safe to expose port 1683 to the Internet?
It depends on the service and configuration. Port 1683 (ncpm-hip) 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 1683 is open?
You can use nmap: `nmap -p 1683 -sV example.com`, netcat: `nc -zv example.com 1683`, or the bash command: `(echo > /dev/udp/example.com/1683) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1683 on my firewall?
On Linux with UFW: `sudo ufw allow 1683/udp` (open) or `sudo ufw deny 1683/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1683 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1683" dir=in action=allow protocol=UDP localport=1683`.
What applications and services use port 1683?
Port 1683/UDP is used by the ncpm-hip service. Specific uses depend on the software and configuration. Check our related tools section for more information.