All ports
Port888/TCP
cddbpPort
888
Protocol
TCP
Category
Well-Known
Service
cddbp
What is port 888?
Port 888/TCP is a Well-Known port, assigned by IANA for widely recognized services. It is associated with the cddbp service.
CD Database Protocol
Useful commands
nmapnmap -p 888 -sV example.comnetcatnc -zv example.com 888curlcurl -v http://example.com:888/telnettelnet example.com 888bash(echo > /dev/tcp/example.com/888) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 888/tcpDeny
sudo ufw deny 888/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 888 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 888 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=888/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 888" dir=in action=allow protocol=TCP localport=888Security 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- Outdated versions with vulnerabilities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 888/TCP?
Port 888/TCP is associated with the cddbp service. CD Database Protocol
Is it safe to expose port 888 to the Internet?
It depends on the service and configuration. Port 888 (cddbp) is a Well-Known 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 888 is open?
You can use nmap: `nmap -p 888 -sV example.com`, netcat: `nc -zv example.com 888`, or the bash command: `(echo > /dev/tcp/example.com/888) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 888 on my firewall?
On Linux with UFW: `sudo ufw allow 888/tcp` (open) or `sudo ufw deny 888/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 888 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 888" dir=in action=allow protocol=TCP localport=888`.
What applications and services use port 888?
Port 888/TCP is used by the cddbp service. Specific uses depend on the software and configuration. Check our related tools section for more information.