All ports
Port4672/UDP
rfaPort
4672
Protocol
UDP
Category
Registered
Service
rfa
What is port 4672?
Port 4672/UDP is a Registered port, registered with IANA for specific applications. It is associated with the rfa service.
remote file access server
Useful commands
nmapnmap -p 4672 -sV example.comnetcatnc -zv example.com 4672curlcurl -v http://example.com:4672/telnettelnet example.com 4672bash(echo > /dev/udp/example.com/4672) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4672/udpDeny
sudo ufw deny 4672/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4672 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4672 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4672/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4672" dir=in action=allow protocol=UDP localport=4672Security 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- Outdated versions with vulnerabilities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 4672/UDP?
Port 4672/UDP is associated with the rfa service. remote file access server
Is it safe to expose port 4672 to the Internet?
It depends on the service and configuration. Port 4672 (rfa) 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 4672 is open?
You can use nmap: `nmap -p 4672 -sV example.com`, netcat: `nc -zv example.com 4672`, or the bash command: `(echo > /dev/udp/example.com/4672) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4672 on my firewall?
On Linux with UFW: `sudo ufw allow 4672/udp` (open) or `sudo ufw deny 4672/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4672 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4672" dir=in action=allow protocol=UDP localport=4672`.
What applications and services use port 4672?
Port 4672/UDP is used by the rfa service. Specific uses depend on the software and configuration. Check our related tools section for more information.