All ports
Port4665/TCP
contclientmsPort
4665
Protocol
TCP
Category
Registered
Service
contclientms
What is port 4665?
Port 4665/TCP is a Registered port, registered with IANA for specific applications. It is associated with the contclientms service.
Container Client Message Service
Useful commands
nmapnmap -p 4665 -sV example.comnetcatnc -zv example.com 4665curlcurl -v http://example.com:4665/telnettelnet example.com 4665bash(echo > /dev/tcp/example.com/4665) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4665/tcpDeny
sudo ufw deny 4665/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4665 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4665 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4665/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4665" dir=in action=allow protocol=TCP localport=4665Security 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- Outdated versions with vulnerabilities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 4665/TCP?
Port 4665/TCP is associated with the contclientms service. Container Client Message Service
Is it safe to expose port 4665 to the Internet?
It depends on the service and configuration. Port 4665 (contclientms) 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 4665 is open?
You can use nmap: `nmap -p 4665 -sV example.com`, netcat: `nc -zv example.com 4665`, or the bash command: `(echo > /dev/tcp/example.com/4665) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4665 on my firewall?
On Linux with UFW: `sudo ufw allow 4665/tcp` (open) or `sudo ufw deny 4665/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4665 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4665" dir=in action=allow protocol=TCP localport=4665`.
What applications and services use port 4665?
Port 4665/TCP is used by the contclientms service. Specific uses depend on the software and configuration. Check our related tools section for more information.