All ports
Port1563/UDP
cadabra-lmPort
1563
Protocol
UDP
Category
Registered
Service
cadabra-lm
What is port 1563?
Port 1563/UDP is a Registered port, registered with IANA for specific applications. It is associated with the cadabra-lm service.
Cadabra License Manager
Useful commands
nmapnmap -p 1563 -sV example.comnetcatnc -zv example.com 1563curlcurl -v http://example.com:1563/telnettelnet example.com 1563bash(echo > /dev/udp/example.com/1563) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 1563/udpDeny
sudo ufw deny 1563/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 1563 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 1563 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=1563/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 1563" dir=in action=allow protocol=UDP localport=1563Security 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- Outdated versions with vulnerabilities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 1563/UDP?
Port 1563/UDP is associated with the cadabra-lm service. Cadabra License Manager
Is it safe to expose port 1563 to the Internet?
It depends on the service and configuration. Port 1563 (cadabra-lm) 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 1563 is open?
You can use nmap: `nmap -p 1563 -sV example.com`, netcat: `nc -zv example.com 1563`, or the bash command: `(echo > /dev/udp/example.com/1563) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 1563 on my firewall?
On Linux with UFW: `sudo ufw allow 1563/udp` (open) or `sudo ufw deny 1563/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 1563 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 1563" dir=in action=allow protocol=UDP localport=1563`.
What applications and services use port 1563?
Port 1563/UDP is used by the cadabra-lm service. Specific uses depend on the software and configuration. Check our related tools section for more information.