All ports
Port4545/UDP
worldscoresPort
4545
Protocol
UDP
Category
Registered
Service
worldscores
What is port 4545?
Port 4545/UDP is a Registered port, registered with IANA for specific applications. It is associated with the worldscores service.
WorldScores
Useful commands
nmapnmap -p 4545 -sV example.comnetcatnc -zv example.com 4545curlcurl -v http://example.com:4545/telnettelnet example.com 4545bash(echo > /dev/udp/example.com/4545) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4545/udpDeny
sudo ufw deny 4545/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4545 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4545 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4545/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4545" dir=in action=allow protocol=UDP localport=4545Security 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- Outdated versions with vulnerabilities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 4545/UDP?
Port 4545/UDP is associated with the worldscores service. WorldScores
Is it safe to expose port 4545 to the Internet?
It depends on the service and configuration. Port 4545 (worldscores) 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 4545 is open?
You can use nmap: `nmap -p 4545 -sV example.com`, netcat: `nc -zv example.com 4545`, or the bash command: `(echo > /dev/udp/example.com/4545) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4545 on my firewall?
On Linux with UFW: `sudo ufw allow 4545/udp` (open) or `sudo ufw deny 4545/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4545 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4545" dir=in action=allow protocol=UDP localport=4545`.
What applications and services use port 4545?
Port 4545/UDP is used by the worldscores service. Specific uses depend on the software and configuration. Check our related tools section for more information.