Tag: data encryption

How to enable DNS over HTTPS in Windows 11

Posted by Alex On October 15, 2022

To improve your online privacy and security, Windows 11 lets you use DNS over HTTPS (DoH) to encrypt the DNS requests your computer makes when you browse or do anything else on the Internet. This article will show you how to set it up in Windows 11. Encrypted DNS is more private and secure Every time you visit a website...

Script to connect and disconnect from OpenVPN depending on server availability

Posted by Alex On January 25, 2022

Task: Branch subnets are connected via OpenVPN. All clients connect to the server and routes to the Internet are set through the OpenVPN server. Everything works, but there is a problem. If the OpenVPN server for some reason loses Internet connection, then all other branches also lose Internet access, because the traffic does not go through its gateway, but through...

How to manage VPN Settings in GNOME 3

Posted by Alex On November 25, 2021

A popular example of a Linux distribution using GNOME 3 is Ubuntu. Install NetworkManager VPN plugin for OpenVPN In order for you to have the menu item shown in this manual in NetworkManager, you must have the NetworkManager VPN plugin for OpenVPN installed. Some distributions have it installed by default. If you don't have it, run one of the following...

How to manage VPN Settings in Xfce

Posted by Alex On November 25, 2021

Popular distributions with Xfce include Kali Linux and Xubuntu. In Xfce, networks are managed in the “Network Connections” window. Install NetworkManager VPN plugin for OpenVPN In order for you to have the menu item shown in this manual in NetworkManager, you must have the NetworkManager VPN plugin for OpenVPN installed. Some distributions have it installed by default. If you don't...

How to manage VPN Settings in Cinnamon

Posted by Alex On November 25, 2021

The Cinnamon desktop environment is primarily characteristic of Linux Mint. Install NetworkManager VPN plugin for OpenVPN In order for you to have the menu item shown in this manual in NetworkManager, you must have the NetworkManager VPN plugin for OpenVPN installed. Some distributions have it installed by default. If you don't have it, run one of the following commands to...

Simultaneous use of multiple OpenVPNs on one server

Posted by Alex On November 25, 2021

You can simultaneously use several OpenVPN processes on the same server, while they will work on different ports and provide separate virtual private networks that do not overlap with each other. Multiple instances of OpenVPN are provided out of the box, but additional configuration is required. 1. OpenVPN services must use different ports All OpenVPN services must use a free...

Comparison of performance (data transfer rate) of OpenVPN over UDP and TCP

Posted by Alex On November 25, 2021

The previous article showed how to use OpenVPN with TCP instead of the default UDP. It is also known that the use of the TCP protocol is not recommended because, due to the “overhead” of the TCP transport protocol, less payload will be transmitted, since part of the channel will be occupied by the transmission of overhead information necessary to...

How to use OpenVPN with TCP protocol

Posted by Alex On November 25, 2021

By default, OpenVPN uses UDP and it is officially recommended to use it. However, TCP also works great with OpenVPN and you can use it if needed. Theoretically, the TCP protocol has more “overhead”, that is, some part of the transmitted data will not carry the payload, but is only necessary for the normal operation of TCP, which monitors the...

How to change configuration files when migrating from OpenVPN 2.4.* to OpenVPN 2.5.*

Posted by Alex On November 25, 2021

As of fall 2021, OpenVPN has moved to the new major branch 2.5.* for almost a year. If you were slow to update, now the new branch can be considered time-tested. However, if you are upgrading from the 2.4 branch, you may need to adjust the configuration files. 1. In the server and client configuration files, replace the line cipher...

How to install Kali Linux with encrypted user’s home folder (manual partitioning)

Posted by Alex On November 14, 2021

If the above automatic disk layout template with encryption of the home folder does not suit you, then you can configure disk layout manually, below is shown how to do it. With manual marking, remember that for a normal installation you need at least two partitions: EFI – 200 Megabytes is enough / (root of the filesystem) – this is...
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