All ports

Port4787/TCP

sia-ctrl-plane

Port

4787

Protocol

TCP

Category

Registered

Service

sia-ctrl-plane

What is port 4787?

Port 4787/TCP is a Registered port, registered with IANA for specific applications. It is associated with the sia-ctrl-plane service.

Service Insertion Architecture (SIA) Control-Plane

Useful commands

nmapnmap -p 4787 -sV example.com
netcatnc -zv example.com 4787
curlcurl -v http://example.com:4787/
telnettelnet example.com 4787
bash(echo > /dev/tcp/example.com/4787) 2>/dev/null

Firewall commands

UFWAllow
sudo ufw allow 4787/tcp
Deny
sudo ufw deny 4787/tcp
iptablesAllow
sudo iptables -A INPUT -p tcp --dport 4787 -j ACCEPT
Deny
sudo iptables -D INPUT -p tcp --dport 4787 -j ACCEPT
firewalldAllow
sudo firewall-cmd --permanent --add-port=4787/tcp
WindowsAllow
netsh advfirewall firewall add rule name="Open Port 4787" dir=in action=allow protocol=TCP localport=4787

Security 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  • Outdated versions with vulnerabilities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 4787/TCP?

Port 4787/TCP is associated with the sia-ctrl-plane service. Service Insertion Architecture (SIA) Control-Plane

Is it safe to expose port 4787 to the Internet?

It depends on the service and configuration. Port 4787 (sia-ctrl-plane) 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 4787 is open?

You can use nmap: `nmap -p 4787 -sV example.com`, netcat: `nc -zv example.com 4787`, or the bash command: `(echo > /dev/tcp/example.com/4787) 2>/dev/null && echo "Open" || echo "Closed"`.

How do I open or close port 4787 on my firewall?

On Linux with UFW: `sudo ufw allow 4787/tcp` (open) or `sudo ufw deny 4787/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4787 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4787" dir=in action=allow protocol=TCP localport=4787`.

What applications and services use port 4787?

Port 4787/TCP is used by the sia-ctrl-plane service. Specific uses depend on the software and configuration. Check our related tools section for more information.

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