All ports
Port4788/TCP
xmcpPort
4788
Protocol
TCP
Category
Registered
Service
xmcp
What is port 4788?
Port 4788/TCP is a Registered port, registered with IANA for specific applications. It is associated with the xmcp service.
eXtensible Messaging Client Protocol
Useful commands
nmapnmap -p 4788 -sV example.comnetcatnc -zv example.com 4788curlcurl -v http://example.com:4788/telnettelnet example.com 4788bash(echo > /dev/tcp/example.com/4788) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4788/tcpDeny
sudo ufw deny 4788/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4788 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4788 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4788/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4788" dir=in action=allow protocol=TCP localport=4788Security 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- Outdated versions with vulnerabilities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 4788/TCP?
Port 4788/TCP is associated with the xmcp service. eXtensible Messaging Client Protocol
Is it safe to expose port 4788 to the Internet?
It depends on the service and configuration. Port 4788 (xmcp) 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 4788 is open?
You can use nmap: `nmap -p 4788 -sV example.com`, netcat: `nc -zv example.com 4788`, or the bash command: `(echo > /dev/tcp/example.com/4788) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4788 on my firewall?
On Linux with UFW: `sudo ufw allow 4788/tcp` (open) or `sudo ufw deny 4788/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4788 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4788" dir=in action=allow protocol=TCP localport=4788`.
What applications and services use port 4788?
Port 4788/TCP is used by the xmcp service. Specific uses depend on the software and configuration. Check our related tools section for more information.