Server, hosting and infrastructure guides

A VPN gateway is the device or software that terminates encrypted VPN tunnels between two networks, or between remote users and a network. A company office connecting to its cloud network, or employees securely accessing the company network from home, all happens through a VPN gateway. In this article we explain how a VPN gateway…

A port check tests whether a specific port on a device or server is reachable (open) from outside. The quickest methods are the Test-NetConnection command on Windows, nc on Linux and macOS, or an online port checker run against your own IP address. In this guide we explain how to check open ports, what “open”,…

The easiest way to turn on a VPN on your phone is to install the official app of a VPN provider you trust and tap “Connect” in the app. If you need to connect to your company’s or your own server’s VPN, you can also add the profile manually in the built-in VPN section of…

AdGuard DNS is a free DNS resolver that blocks requests to ads, trackers and known malicious domains at the DNS level. When you point your device’s DNS setting to AdGuard’s servers, many ads and tracking requests in browsers and apps never load, without installing any extra app. In this article we explain how AdGuard DNS…

WordPress Security Tips suggest using plugins to act as shields against potential online threats. WordPress Security Tips and Best Practices WordPress is widely recognized as a popular content management system that powers millions of websites across the globe. However, this immense popularity comes with a significant downside: WordPress sites frequently become primary targets for malicious…