All ports
Port3689/UDP
daapPort
3689
Protocol
UDP
Category
Registered
Service
daap
What is port 3689?
Port 3689/UDP is a Registered port, registered with IANA for specific applications. It is associated with the daap service.
Digital Audio Access Protocol (iTunes)
Useful commands
nmapnmap -p 3689 -sV example.comnetcatnc -zv example.com 3689curlcurl -v http://example.com:3689/telnettelnet example.com 3689bash(echo > /dev/udp/example.com/3689) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3689/udpDeny
sudo ufw deny 3689/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 3689 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 3689 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3689/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3689" dir=in action=allow protocol=UDP localport=3689Security 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- Outdated versions with vulnerabilities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 3689/UDP?
Port 3689/UDP is associated with the daap service. Digital Audio Access Protocol (iTunes)
Is it safe to expose port 3689 to the Internet?
It depends on the service and configuration. Port 3689 (daap) 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 3689 is open?
You can use nmap: `nmap -p 3689 -sV example.com`, netcat: `nc -zv example.com 3689`, or the bash command: `(echo > /dev/udp/example.com/3689) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3689 on my firewall?
On Linux with UFW: `sudo ufw allow 3689/udp` (open) or `sudo ufw deny 3689/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 3689 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3689" dir=in action=allow protocol=UDP localport=3689`.
What applications and services use port 3689?
Port 3689/UDP is used by the daap service. Specific uses depend on the software and configuration. Check our related tools section for more information.