All ports
Port3346/UDP
trnsprntproxyPort
3346
Protocol
UDP
Category
Registered
Service
trnsprntproxy
What is port 3346?
Port 3346/UDP is a Registered port, registered with IANA for specific applications. It is associated with the trnsprntproxy service.
Trnsprnt Proxy
Useful commands
nmapnmap -p 3346 -sV example.comnetcatnc -zv example.com 3346curlcurl -v http://example.com:3346/telnettelnet example.com 3346bash(echo > /dev/udp/example.com/3346) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3346/udpDeny
sudo ufw deny 3346/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3346 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3346 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3346/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3346" dir=in action=allow protocol=UDP localport=3346Security 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- Outdated versions with vulnerabilities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 3346/UDP?
Port 3346/UDP is associated with the trnsprntproxy service. Trnsprnt Proxy
Is it safe to expose port 3346 to the Internet?
It depends on the service and configuration. Port 3346 (trnsprntproxy) 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 3346 is open?
You can use nmap: `nmap -p 3346 -sV example.com`, netcat: `nc -zv example.com 3346`, or the bash command: `(echo > /dev/udp/example.com/3346) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3346 on my firewall?
On Linux with UFW: `sudo ufw allow 3346/udp` (open) or `sudo ufw deny 3346/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3346 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3346" dir=in action=allow protocol=UDP localport=3346`.
What applications and services use port 3346?
Port 3346/UDP is used by the trnsprntproxy service. Specific uses depend on the software and configuration. Check our related tools section for more information.