All ports
Port4458/UDP
mcpPort
4458
Protocol
UDP
Category
Registered
Service
mcp
What is port 4458?
Port 4458/UDP is a Registered port, registered with IANA for specific applications. It is associated with the mcp service.
Matrix Configuration Protocol
Useful commands
nmapnmap -p 4458 -sV example.comnetcatnc -zv example.com 4458curlcurl -v http://example.com:4458/telnettelnet example.com 4458bash(echo > /dev/udp/example.com/4458) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4458/udpDeny
sudo ufw deny 4458/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 4458 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 4458 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4458/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4458" dir=in action=allow protocol=UDP localport=4458Security 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- Outdated versions with vulnerabilities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 4458/UDP?
Port 4458/UDP is associated with the mcp service. Matrix Configuration Protocol
Is it safe to expose port 4458 to the Internet?
It depends on the service and configuration. Port 4458 (mcp) 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 4458 is open?
You can use nmap: `nmap -p 4458 -sV example.com`, netcat: `nc -zv example.com 4458`, or the bash command: `(echo > /dev/udp/example.com/4458) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4458 on my firewall?
On Linux with UFW: `sudo ufw allow 4458/udp` (open) or `sudo ufw deny 4458/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 4458 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4458" dir=in action=allow protocol=UDP localport=4458`.
What applications and services use port 4458?
Port 4458/UDP is used by the mcp service. Specific uses depend on the software and configuration. Check our related tools section for more information.