blocking vpn access
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How to Block VPN Access with MikroTik Router
Sometimes system administrators create firewall rule to block unwanted websites. But VPN apps break these firewall rules and allow access to unwanted websites. For example, if Facebook is blocked with MikroTik Firewall and any expert user installs and enables VPN apps (such as OpenVPN, Hotspot Shield, ProtonVPN, NordVPN, PureVPN etc.), he can easily get access to Facebook. So, system administrators should also block popular VPN apps so that user cannot use those VPN servers. Blocking VPN apps is not so easy. You should be expert enough to block VPN application. In this article, I will discuss a simple trick to block VPN applications with MikroTik Firewall. Trick to Block VPN Applications (VPN Servers) When any user installs and enables VPN application, it creates a tunnel between user computer and the VPN server. The user PC is now treated as a PC of the VPN network. So, any firewall rule applied on the user IP, does not work anymore. In a VPN enabled PC, if we find public IP address of our network with any online tools such as whatismyipaddress.com, we will find the VPN server IP instead of our MikroTik public IP. Now if we block that VPN server IP [...]
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How to Block Free Proxy Access with MikroTik Router | May 21, 2019
Proxy Server is an alternative to VPN that breaks blocking firewall of a network. If any user uses free web proxy server with web browser, the web request is processed by the proxy server. So, blocking firewall rule is not applied on the proxy enabled PC. For this, system administrators should be careful enough to block free proxy servers along with blocking VPN access. In my previous article, I discussed how to block VPN access with MikroTik Firewall. In this [...]
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How to Block Tor Browser with MikroTik Router | June 12, 2019
Tor Browser is an alternative to VPN and Web Proxy that breaks blocking firewall rule. If any user installs and uses Tor Browser, he/she can hide the public IP address of router and can unblock blocked websites applied on a network. So, administrators should block Tor Nodes along with other blocking firewall rule. In my previous article, I discussed how to block VPN and Proxy access with MikroTik Router and in this article I will discuss how to block Tor [...]
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Firewalld Installation and Configuration in Ubuntu Server | May 5, 2022
Firewalld is an awesome host based firewall management tool for Linux Operating System. Firewalld has developed on Fedora but it is now available for almost all Linux distributions. So, Firewalld can be installed in Ubuntu Server although Ubuntu Server has UFW as the default firewall system. Firewalld is more robust and easy to maintain than UFW, I think. So, I am going to discuss how to install and configure Firewalld in Ubuntu Server. Installing Firewalld in Ubuntu Server By default [...]
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Network Bandwidth and Throughput | February 17, 2017
Bandwidth and Throughput are two important basic networking terms in computer network. If you wish to be an expert network administrator, you must have better understanding about these two networking terms. As a network user, you should also have better understanding about network bandwidth and throughput so that you can get maximum output from your network service provider. In this article, I will explain about network bandwidth and throughput from very beginning. I hope, this article will enrich your networking [...]
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Ubuntu Server 20.04 Installation with LVM | May 28, 2021
Linux is a free and open source operating system developed by Linus Torvalds on September 17, 1991. It is mainly used as server environment. A lot of Linux distributions are present today. Among them, Ubuntu is one of the best stable Linux distributions. Ubuntu has both Desktop and Server distribution. Ubuntu Server is a high performance and stable enterprise Linux distribution and it can be easily used in production. Ubuntu Server has both community-support and well documentation. So, IT guys can use Ubuntu [...]
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Things to Consider When Developing a Mobile App | February 27, 2022
Building a mobile app is one of the best ways to engage your target market and build an audience. If you want to develop a mobile application that will be truly successful, you need to consider every aspect of the development process. At the same time, there are many things to think about when developing a mobile app. Apps are designed to solve problems for people; if you are thinking about creating an app, you need to think about why [...]
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MikroTik Hotspot with Data Limit and Prepaid Billing System | January 19, 2018
If you are a network administrator and want to establish a network that will have data limitation package with prepaid billing system, MikroTik Hotspot Server with MikroTik User Manager Radius Server will be your best solution. Because, MikroTik User Manager is a poplar Radius application that will give facility to manage user data package as well as prepaid billing system efficiently. On the other hand, MikroTik Hotspot is a popular service that will help to connect your network user without [...]
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MikroTik Site to Site VPN with L2TP/IPsec | March 3, 2018
VPN (Virtual Private Network) is a technology that provides a secure and encrypted tunnel across a public network. A private network user can send and receive data to any remote private network using this VPN Tunnel as if his/her network device was directly connected to that private network. MikroTik L2TP server is one of the most popular VPN services. It provides a secure and encrypted tunnel across public network for transporting IP traffic using PPP. L2TP/IPsec is more secure than [...]
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MikroTik Router Auto Backup via Email | August 23, 2016
MikroTik Router is popularly used not only in ISP network but also in enterprise office network. So, MikroTik is a popular item to network administrator. A regular task of a network administrator is to keep and store router configuration file backup. Almost every network administrator takes configuration file backup manually. But MikroTik Router has an E-mail tool by which network administrators can automate configuration file backup regularly via email and can reduce his daily manual task easily. E-mail tool is [...]
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