All ports
Port772/UDP
cycleserv2Port
772
Protocol
UDP
Category
Well-Known
Service
cycleserv2
What is port 772?
Port 772/UDP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the cycleserv2 service.
Useful commands
nmapnmap -p 772 -sV example.comnetcatnc -zv example.com 772curlcurl -v http://example.com:772/telnettelnet example.com 772bash(echo > /dev/udp/example.com/772) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 772/udpDeny
sudo ufw deny 772/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 772 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 772 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=772/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 772" dir=in action=allow protocol=UDP localport=772Security 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- Outdated versions with vulnerabilities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 772/UDP?
Port 772/UDP is associated with the cycleserv2 service. No detailed description is available in the IANA registry.
Is it safe to expose port 772 to the Internet?
It depends on the service and configuration. Port 772 (cycleserv2) is a Well-Known 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 772 is open?
You can use nmap: `nmap -p 772 -sV example.com`, netcat: `nc -zv example.com 772`, or the bash command: `(echo > /dev/udp/example.com/772) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 772 on my firewall?
On Linux with UFW: `sudo ufw allow 772/udp` (open) or `sudo ufw deny 772/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 772 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 772" dir=in action=allow protocol=UDP localport=772`.
What applications and services use port 772?
Port 772/UDP is used by the cycleserv2 service. Specific uses depend on the software and configuration. Check our related tools section for more information.