All ports
Port3963/UDP
thrpPort
3963
Protocol
UDP
Category
Registered
Service
thrp
What is port 3963?
Port 3963/UDP is a Registered port, registered with IANA for specific applications. It is associated with the thrp service.
Teran Hybrid Routing Protocol
Useful commands
nmapnmap -p 3963 -sV example.comnetcatnc -zv example.com 3963curlcurl -v http://example.com:3963/telnettelnet example.com 3963bash(echo > /dev/udp/example.com/3963) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3963/udpDeny
sudo ufw deny 3963/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3963 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3963 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3963/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3963" dir=in action=allow protocol=UDP localport=3963Security 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- Outdated versions with vulnerabilities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 3963/UDP?
Port 3963/UDP is associated with the thrp service. Teran Hybrid Routing Protocol
Is it safe to expose port 3963 to the Internet?
It depends on the service and configuration. Port 3963 (thrp) 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 3963 is open?
You can use nmap: `nmap -p 3963 -sV example.com`, netcat: `nc -zv example.com 3963`, or the bash command: `(echo > /dev/udp/example.com/3963) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3963 on my firewall?
On Linux with UFW: `sudo ufw allow 3963/udp` (open) or `sudo ufw deny 3963/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3963 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3963" dir=in action=allow protocol=UDP localport=3963`.
What applications and services use port 3963?
Port 3963/UDP is used by the thrp service. Specific uses depend on the software and configuration. Check our related tools section for more information.