All ports
Port3949/UDP
dripPort
3949
Protocol
UDP
Category
Registered
Service
drip
What is port 3949?
Port 3949/UDP is a Registered port, registered with IANA for specific applications. It is associated with the drip service.
Dynamic Routing Information Protocol
Useful commands
nmapnmap -p 3949 -sV example.comnetcatnc -zv example.com 3949curlcurl -v http://example.com:3949/telnettelnet example.com 3949bash(echo > /dev/udp/example.com/3949) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3949/udpDeny
sudo ufw deny 3949/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3949 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3949 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3949/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3949" dir=in action=allow protocol=UDP localport=3949Security 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- Outdated versions with vulnerabilities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 3949/UDP?
Port 3949/UDP is associated with the drip service. Dynamic Routing Information Protocol
Is it safe to expose port 3949 to the Internet?
It depends on the service and configuration. Port 3949 (drip) 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 3949 is open?
You can use nmap: `nmap -p 3949 -sV example.com`, netcat: `nc -zv example.com 3949`, or the bash command: `(echo > /dev/udp/example.com/3949) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3949 on my firewall?
On Linux with UFW: `sudo ufw allow 3949/udp` (open) or `sudo ufw deny 3949/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3949 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3949" dir=in action=allow protocol=UDP localport=3949`.
What applications and services use port 3949?
Port 3949/UDP is used by the drip service. Specific uses depend on the software and configuration. Check our related tools section for more information.