All ports
Port4847/UDP
wfcPort
4847
Protocol
UDP
Category
Registered
Service
wfc
What is port 4847?
Port 4847/UDP is a Registered port, registered with IANA for specific applications. It is associated with the wfc service.
Web Fresh Communication
Useful commands
nmapnmap -p 4847 -sV example.comnetcatnc -zv example.com 4847curlcurl -v http://example.com:4847/telnettelnet example.com 4847bash(echo > /dev/udp/example.com/4847) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4847/udpDeny
sudo ufw deny 4847/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4847 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4847 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4847/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4847" dir=in action=allow protocol=UDP localport=4847Security 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- Outdated versions with vulnerabilities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 4847/UDP?
Port 4847/UDP is associated with the wfc service. Web Fresh Communication
Is it safe to expose port 4847 to the Internet?
It depends on the service and configuration. Port 4847 (wfc) 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 4847 is open?
You can use nmap: `nmap -p 4847 -sV example.com`, netcat: `nc -zv example.com 4847`, or the bash command: `(echo > /dev/udp/example.com/4847) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4847 on my firewall?
On Linux with UFW: `sudo ufw allow 4847/udp` (open) or `sudo ufw deny 4847/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4847 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4847" dir=in action=allow protocol=UDP localport=4847`.
What applications and services use port 4847?
Port 4847/UDP is used by the wfc service. Specific uses depend on the software and configuration. Check our related tools section for more information.