Network and security specialist focused on VPN protocols, proxies and server hardening. Cooper spends his days breaking and fixing tunneling setups (WireGuard, V2Ray, Xray) so readers can follow battle-tested configurations instead of guesswork.
567 posts
What you will read?1 Methods to Check Open Ports on macOS2 Why Should You Check Open Ports on macOS?3 Troubleshooting Common Issues with Open Ports Open ports in macOS refer to network ports that are actively listening for incoming or outgoing network traffic. These ports are typically used by various services, applications, or system processes…
What you will read?1 Using Operating System-Specific Tools2 Web-Based Port Testing Tools Port is related to the point of communication to enable any communication between interlinked devices on a network. Networking procedures aimed at the control of management could be greatly aided by knowledge and examination of the open ports, management procedures could be network…
What you will read?1 Preparations Before Modifying Firewall Rules2 Steps to Open a Port in Windows Firewall3 Closing Ports in Windows Firewall: Disabling or Deleting Rules4 Troubleshooting Common Issues5 Best Practices for Firewall Configuration A firewall is a network security system designed to monitor and control incoming and outgoing traffic based on predefined rules. It…
What you will read?1 How to Connect to FTP on Port 21212 Why Use Port 2121 for FTP? When working with FTP (File Transfer Protocol) servers, knowing how to use the command line can be a game-changer for efficiency and control. FTP over port 2121 offers an alternative connection method to the default port 21,…
What you will read?1 Why Change the Default RDP Port?2 Steps to Change the RDP Port via Command Line3 Test the New RDP Port Remote Desktop Protocol (RDP) allows secure access to remote systems. Changing the RDP port can enhance security by reducing exposure to potential cyber threats. This guide explains how to change the…
What you will read?1 Step-by-Step Guide to Change a COM Port Number2 What Are COM Ports and Why Are They Important?3 Understanding COM Ports4 FAQs Changing the COM port number in Windows 10 is essential when dealing with hardware devices like USB adapters, printers, or serial communication tools that require a specific port for seamless…
What you will read?1 Step-by-Step Guide to Change SSH Port2 Troubleshooting Common Issues Changing the default SSH port on RHEL 8 is an important practice for enhancing the security of your server. By default, SSH runs on port 22, which is widely known and often targeted by attackers. Changing the port to a non-standard one…
What you will read?1 Steps to Change the SSH Port in Debian 122 Troubleshooting: Common Issues After Changing the SSH Port Changing the default SSH port from port 22 to another port is an effective way to enhance the security of your server. One of the most common attack methods on servers is port scanning,…
What you will read?1 Administrative Privileges:2 Backing up the SSH configuration file3 Editing the SSH Configuration File4 Testing the New SSH Port SSH (Secure Shell) serves as a critical tool for securely accessing remote systems. By default, SSH operates on port 22, a widely known standard that often becomes a target for automated attacks and…
