All ports
Port5684/TCP
coapsPort
5684
Protocol
TCP
Category
Registered
Service
coaps
What is port 5684?
Port 5684/TCP is a Registered port, registered with IANA for specific applications. It is associated with the coaps service.
Constrained Application Protocol (CoAP)
Useful commands
nmapnmap -p 5684 -sV example.comnetcatnc -zv example.com 5684curlcurl -v http://example.com:5684/telnettelnet example.com 5684bash(echo > /dev/tcp/example.com/5684) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 5684/tcpDeny
sudo ufw deny 5684/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 5684 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 5684 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=5684/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 5684" dir=in action=allow protocol=TCP localport=5684Security 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- Outdated versions with vulnerabilities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 5684/TCP?
Port 5684/TCP is associated with the coaps service. Constrained Application Protocol (CoAP)
Is it safe to expose port 5684 to the Internet?
It depends on the service and configuration. Port 5684 (coaps) 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 5684 is open?
You can use nmap: `nmap -p 5684 -sV example.com`, netcat: `nc -zv example.com 5684`, or the bash command: `(echo > /dev/tcp/example.com/5684) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 5684 on my firewall?
On Linux with UFW: `sudo ufw allow 5684/tcp` (open) or `sudo ufw deny 5684/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 5684 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 5684" dir=in action=allow protocol=TCP localport=5684`.
What applications and services use port 5684?
Port 5684/TCP is used by the coaps service. Specific uses depend on the software and configuration. Check our related tools section for more information.