All ports
Port4667/TCP
mmacommPort
4667
Protocol
TCP
Category
Registered
Service
mmacomm
What is port 4667?
Port 4667/TCP is a Registered port, registered with IANA for specific applications. It is associated with the mmacomm service.
MMA Comm Services
Useful commands
nmapnmap -p 4667 -sV example.comnetcatnc -zv example.com 4667curlcurl -v http://example.com:4667/telnettelnet example.com 4667bash(echo > /dev/tcp/example.com/4667) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4667/tcpDeny
sudo ufw deny 4667/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4667 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4667 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4667/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4667" dir=in action=allow protocol=TCP localport=4667Security 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- Outdated versions with vulnerabilities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 4667/TCP?
Port 4667/TCP is associated with the mmacomm service. MMA Comm Services
Is it safe to expose port 4667 to the Internet?
It depends on the service and configuration. Port 4667 (mmacomm) 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 4667 is open?
You can use nmap: `nmap -p 4667 -sV example.com`, netcat: `nc -zv example.com 4667`, or the bash command: `(echo > /dev/tcp/example.com/4667) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4667 on my firewall?
On Linux with UFW: `sudo ufw allow 4667/tcp` (open) or `sudo ufw deny 4667/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4667 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4667" dir=in action=allow protocol=TCP localport=4667`.
What applications and services use port 4667?
Port 4667/TCP is used by the mmacomm service. Specific uses depend on the software and configuration. Check our related tools section for more information.