All ports
Port4621/UDP
ventosoPort
4621
Protocol
UDP
Category
Registered
Service
ventoso
What is port 4621?
Port 4621/UDP is a Registered port, registered with IANA for specific applications. It is associated with the ventoso service.
Bidirectional single port remote radio VOIP and Control stream
Useful commands
nmapnmap -p 4621 -sV example.comnetcatnc -zv example.com 4621curlcurl -v http://example.com:4621/telnettelnet example.com 4621bash(echo > /dev/udp/example.com/4621) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4621/udpDeny
sudo ufw deny 4621/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4621 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4621 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4621/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4621" dir=in action=allow protocol=UDP localport=4621Security 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- Outdated versions with vulnerabilities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 4621/UDP?
Port 4621/UDP is associated with the ventoso service. Bidirectional single port remote radio VOIP and Control stream
Is it safe to expose port 4621 to the Internet?
It depends on the service and configuration. Port 4621 (ventoso) 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 4621 is open?
You can use nmap: `nmap -p 4621 -sV example.com`, netcat: `nc -zv example.com 4621`, or the bash command: `(echo > /dev/udp/example.com/4621) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4621 on my firewall?
On Linux with UFW: `sudo ufw allow 4621/udp` (open) or `sudo ufw deny 4621/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4621 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4621" dir=in action=allow protocol=UDP localport=4621`.
What applications and services use port 4621?
Port 4621/UDP is used by the ventoso service. Specific uses depend on the software and configuration. Check our related tools section for more information.