blocking vpn connections
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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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WireGuard VPN Setup in MikroTik RouterOS7 with Windows OS | August 14, 2022
VPN (Virtual Private Network) is one of the most popular services in MikroTik RouterOS. A lot of VPN services (IPsec, EoIP, OpenVPN, PPTP, L2TP, IPIP etc.) are available in MikroTik RouterOS but in RouterOS7, a new VPN service named WireGuard has been introduced which is extremely simple yet first, secure and modern VPN. WireGuard uses cryptography to make it secure. In RouterOS7, WireGuard can be used either Client-Server (Road Warrior) VPN tunnel or site to site VPN tunnel. Using Client-Server [...]
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MikroTik Dual WAN PCC Load Balancing with PPPoE Server | July 5, 2018
Hi geek, you are here because you are finding a complete MikroTik Dual WAN PCC Load balancing and Link Redundancy solution with PPPoE Server because you have managed two ISP connections and want to provide an uninterrupted internet connection to your clients. You also want to manage your LAN clients with PPPoE Server because it provides a hassle free network administration. MikroTik PCC provides 100% reliable Load Balancing and Link Redundancy network and in my previous article I discussed how [...]
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User Management in Linux (Red Hat/CentOS) | September 28, 2017
User management is an important part of Linux (especially Red Hat Enterprise Linux) system administration. Linux users can be administrated using user or group administration GUI (Graphical User Interface) tool as well as through Red Hat/CentOS Linux command prompt. But I will always suggest you to do command line user administration as much as possible because in production GUI will not be provided always. Many people who are learning Linux administration do not know all features of user administration command [...]
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MikroTik Configuration with DHCP WAN Connection | March 24, 2019
MikroTik Router is one of the most popular routers because of having a lot of networking features. MikroTik DHCP Client is a special feature that is used to connect to any DHCP Server. So, if any uplink ISP provides DHCP connection, MikroTik Router is able to connect that DHCP Server using this DHCP Client. In my previous article, I discussed how to configure MikroTik Router with PPPoE WAN Connection. In this article, I will discuss how to configure MikroTik Router [...]
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Reset Mozilla Firefox to Default Settings | August 26, 2015
Mozilla Firefox is a free and open source web browser developed Mozilla Corporation. Mozilla Firefox is available for most of the popular operating system like Windows, macOS and Linux operating system. It is also a default web browser in Linux operating system. Mozilla Firefox is a popular web browser to any online user. It is said that no online user can go a single day without this Browser. I am also a fan of Mozilla Firefox browser and using this [...]
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MikroTik Radius Configuration with FreeRADIUS | December 7, 2018
FreeRADIUS is a high performance RADIUS suite that provides authentication, authorization and accounting facility for a large number of network devices including MikroTik Router. Although MikroTik has user manager RADIUS service to provide authentication, authorization and accounting facility but it is not free for customization and not suitable for medium to large organization. On the other hand, freeRADIUS is free for customization according to your organization requirements. But freeRADIUS has to be customized by you. In my previous article, I [...]
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MikroTik L2TP/IPsec VPN Configuration (Connecting Remote Client) | February 26, 2018
VPN (Virtual Private Network) is a technology that provides a secure and encrypted tunnel across a public network and using this VPN tunnel a private network user can send and receive data to any remote private network 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 [...]
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How to Add New Domains to BIND DNS Server | July 5, 2019
DNS (Domain Name System) Server is an essential part to any computer network. So, it is always suggest keeping a DNS Server in every network. How to configure a DNS Server with BIND package was discussed in my previous article. A common question among the fresher admins of BIND DNS is how to add a new domain to BIND DNS Server. For this, this article is designed to discuss the proper way to add multiple domains to BIND DNS Server. [...]
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MikroTik OpenVPN Configuration on TCP Port 443 with Windows OS | April 6, 2020
MikroTik OpenVPN is an amazing VPN solution. IT provides a secure and encrypted VPN tunnel across public network. Unlike PPTP and L2TP VPN Services which are poorly designed and can easily be blocked, OpenVPN can highly be customized and even can be run on so popular TCP Port 443. So, OpenVPN cannot easily be blocked. OpenVPN uses SSL/TLS Certificates. So, OpenVPN Tunnel is a trusted tunnel to send and receive data across public network. OpenVPN is a site to site [...]
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