All ports
Port4671/UDP
acterPort
4671
Protocol
UDP
Category
Registered
Service
acter
What is port 4671?
Port 4671/UDP is a Registered port, registered with IANA for specific applications. It is associated with the acter service.
Bull RSF action server
Useful commands
nmapnmap -p 4671 -sV example.comnetcatnc -zv example.com 4671curlcurl -v http://example.com:4671/telnettelnet example.com 4671bash(echo > /dev/udp/example.com/4671) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4671/udpDeny
sudo ufw deny 4671/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4671 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4671 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4671/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4671" dir=in action=allow protocol=UDP localport=4671Security 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- Outdated versions with vulnerabilities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 4671/UDP?
Port 4671/UDP is associated with the acter service. Bull RSF action server
Is it safe to expose port 4671 to the Internet?
It depends on the service and configuration. Port 4671 (acter) 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 4671 is open?
You can use nmap: `nmap -p 4671 -sV example.com`, netcat: `nc -zv example.com 4671`, or the bash command: `(echo > /dev/udp/example.com/4671) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4671 on my firewall?
On Linux with UFW: `sudo ufw allow 4671/udp` (open) or `sudo ufw deny 4671/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4671 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4671" dir=in action=allow protocol=UDP localport=4671`.
What applications and services use port 4671?
Port 4671/UDP is used by the acter service. Specific uses depend on the software and configuration. Check our related tools section for more information.