All ports
Port3357/UDP
adtech-testPort
3357
Protocol
UDP
Category
Registered
Service
adtech-test
What is port 3357?
Port 3357/UDP is a Registered port, registered with IANA for specific applications. It is associated with the adtech-test service.
Adtech Test IP
Useful commands
nmapnmap -p 3357 -sV example.comnetcatnc -zv example.com 3357curlcurl -v http://example.com:3357/telnettelnet example.com 3357bash(echo > /dev/udp/example.com/3357) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3357/udpDeny
sudo ufw deny 3357/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3357 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3357 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3357/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3357" dir=in action=allow protocol=UDP localport=3357Security 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- Outdated versions with vulnerabilities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 3357/UDP?
Port 3357/UDP is associated with the adtech-test service. Adtech Test IP
Is it safe to expose port 3357 to the Internet?
It depends on the service and configuration. Port 3357 (adtech-test) 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 3357 is open?
You can use nmap: `nmap -p 3357 -sV example.com`, netcat: `nc -zv example.com 3357`, or the bash command: `(echo > /dev/udp/example.com/3357) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3357 on my firewall?
On Linux with UFW: `sudo ufw allow 3357/udp` (open) or `sudo ufw deny 3357/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3357 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3357" dir=in action=allow protocol=UDP localport=3357`.
What applications and services use port 3357?
Port 3357/UDP is used by the adtech-test service. Specific uses depend on the software and configuration. Check our related tools section for more information.