All ports
Port9747/UDP
l5nas-parchanPort
9747
Protocol
UDP
Category
Registered
Service
l5nas-parchan
What is port 9747?
Port 9747/UDP is a Registered port, registered with IANA for specific applications. It is associated with the l5nas-parchan service.
L5NAS Parallel Channel
Useful commands
nmapnmap -p 9747 -sV example.comnetcatnc -zv example.com 9747curlcurl -v http://example.com:9747/telnettelnet example.com 9747bash(echo > /dev/udp/example.com/9747) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9747/udpDeny
sudo ufw deny 9747/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 9747 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 9747 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9747/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9747" dir=in action=allow protocol=UDP localport=9747Security 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- Outdated versions with vulnerabilities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 9747/UDP?
Port 9747/UDP is associated with the l5nas-parchan service. L5NAS Parallel Channel
Is it safe to expose port 9747 to the Internet?
It depends on the service and configuration. Port 9747 (l5nas-parchan) 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 9747 is open?
You can use nmap: `nmap -p 9747 -sV example.com`, netcat: `nc -zv example.com 9747`, or the bash command: `(echo > /dev/udp/example.com/9747) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9747 on my firewall?
On Linux with UFW: `sudo ufw allow 9747/udp` (open) or `sudo ufw deny 9747/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 9747 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9747" dir=in action=allow protocol=UDP localport=9747`.
What applications and services use port 9747?
Port 9747/UDP is used by the l5nas-parchan service. Specific uses depend on the software and configuration. Check our related tools section for more information.