All ports
Port6420/UDP
nim-vdrshellPort
6420
Protocol
UDP
Category
Registered
Service
nim-vdrshell
What is port 6420?
Port 6420/UDP is a Registered port, registered with IANA for specific applications. It is associated with the nim-vdrshell service.
NIM_VDRShell
Useful commands
nmapnmap -p 6420 -sV example.comnetcatnc -zv example.com 6420curlcurl -v http://example.com:6420/telnettelnet example.com 6420bash(echo > /dev/udp/example.com/6420) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6420/udpDeny
sudo ufw deny 6420/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 6420 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 6420 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6420/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6420" dir=in action=allow protocol=UDP localport=6420Security 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- Outdated versions with vulnerabilities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 6420/UDP?
Port 6420/UDP is associated with the nim-vdrshell service. NIM_VDRShell
Is it safe to expose port 6420 to the Internet?
It depends on the service and configuration. Port 6420 (nim-vdrshell) 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 6420 is open?
You can use nmap: `nmap -p 6420 -sV example.com`, netcat: `nc -zv example.com 6420`, or the bash command: `(echo > /dev/udp/example.com/6420) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6420 on my firewall?
On Linux with UFW: `sudo ufw allow 6420/udp` (open) or `sudo ufw deny 6420/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 6420 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6420" dir=in action=allow protocol=UDP localport=6420`.
What applications and services use port 6420?
Port 6420/UDP is used by the nim-vdrshell service. Specific uses depend on the software and configuration. Check our related tools section for more information.