All ports
Port2201/UDP
atsPort
2201
Protocol
UDP
Category
Registered
Service
ats
What is port 2201?
Port 2201/UDP is a Registered port, registered with IANA for specific applications. It is associated with the ats service.
Advanced Training System Program
Useful commands
nmapnmap -p 2201 -sV example.comnetcatnc -zv example.com 2201curlcurl -v http://example.com:2201/telnettelnet example.com 2201bash(echo > /dev/udp/example.com/2201) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 2201/udpDeny
sudo ufw deny 2201/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 2201 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 2201 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=2201/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 2201" dir=in action=allow protocol=UDP localport=2201Security 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- Outdated versions with vulnerabilities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 2201/UDP?
Port 2201/UDP is associated with the ats service. Advanced Training System Program
Is it safe to expose port 2201 to the Internet?
It depends on the service and configuration. Port 2201 (ats) 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 2201 is open?
You can use nmap: `nmap -p 2201 -sV example.com`, netcat: `nc -zv example.com 2201`, or the bash command: `(echo > /dev/udp/example.com/2201) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 2201 on my firewall?
On Linux with UFW: `sudo ufw allow 2201/udp` (open) or `sudo ufw deny 2201/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 2201 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 2201" dir=in action=allow protocol=UDP localport=2201`.
What applications and services use port 2201?
Port 2201/UDP is used by the ats service. Specific uses depend on the software and configuration. Check our related tools section for more information.