block all internet access except one site
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MikroTik Blocking All Websites Except a Few Websites
A few days ago, someone asked me how to block all websites except one with MikroTik Firewall. For this, I have decided to discuss about blocking all websites except someone’s whitelist. Unlike firewall devices, MikroTik Firewall by default allows all websites. So, if you need to block any website, you have to create a firewall rule that will block the specific website. Now if we want to block all websites and want to allow a few websites, we have to do reverse work that means we have to create a firewall rule that will block all websites and we have to create another firewall rule that will allow a group of websites through MikroTik Firewall. In this article, I will discuss how to block all websites except a few websites using MikroTik Firewall. MikroTik Firewall Rule to Block All Websites HTTP and HTTPS are responsible to view websites. HTTP works on TCP port 80 and HTTPS works on TCP port 443. So, to block all websites, we have to drop all requests on TCP port 80 and 443 trough MikroTik Firewall. The following steps will show how to drop all requests on TCP port 80 and 443 in MikroTik Firewall. [...]
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MikroTik SSTP VPN Server Configuration with Windows 10 | April 27, 2020
VPN (Virtual Private Network) technology provides a secure and encrypted tunnel across a public network. So, a private network user can send and receive data to any remote private network through VPN tunnel as if his/her network device was directly connected to that private network. Secure Socket Tunneling Protocol (SSTP) transports PPP tunnel over TLS channel. SSTP uses TLS channel over TCP port 443. So, SSTP VPN can virtually pass through all firewalls and proxy servers. Because of using TLS [...]
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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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MikroTik Site to Site OpenVPN Server Setup (RouterOS Client) | April 9, 2018
VPN (Virtual Private Network) technology provides a secure and encrypted tunnel across a public network. So, a private network user can send and receive data to any remote private network through VPN tunnel as if his/her network device was directly connected to that private network. MikroTik OpenVPN Server provides a secure and encrypted tunnel across public network for transporting IP traffic using PPP. OpenVPN Server uses SSL Certificates. So, OpenVPN Tunnel is a trusted tunnel to send and receive data [...]
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MikroTik OpenVPN Setup with Windows Client | April 2, 2018
VPN (Virtual Private Network) technology provides a secure and encrypted tunnel across a public network. So, a private network user can send and receive data to any remote private network through VPN tunnel as if his/her network device was directly connected to that private network. MikroTik OpenVPN Server provides a secure and encrypted tunnel across public network for transporting IP traffic using PPP. OpenVPN uses SSL Certificates. So, OpenVPN Tunnel is a trusted tunnel to send and receive data across [...]
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Mikrotik Router Basic Configuration Using Winbox | August 24, 2015
MikroTik is one of the most popular routers. MikroTik Router has a lot of networking services that help to build a stable and smooth network so easily. It is said that any ISP Company or any Enterprise Office cannot go a single day without MikroTik Router. So, system administrators who are not using MikroTik Router yet, they will soon start using MikroTik Router, I think. As a system administrator, I am also using MikroTik Router about 5 years in my network [...]
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MikroTik VRRP Configuration with Load Sharing | November 19, 2018
MikroTik VRRP (Virtual Router Redundancy Protocol) ensures high availability internet network. If any organization requires uninterrupted internet connection, MikroTik VRRP implementation will be a vital solution for them. MikroTik VRRP creates a virtual router accumulating two or more physical routers and ensures uninterrupted internet connection keeping activate one physical router always. That means, if any physical router fails to operate due to any hardware failure, MikroTik VRRP uses another backup router for internet gateway until the running router comes back [...]
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Computer Networking Basics | February 10, 2017
Computer networking is a buzzword to the present world. By the virtue of computer networking, the world has become just like a village. So, anyone of the world can communicate with any person of the world within seconds as if they are living in a village. Computer networking does not mean a single element. A lot of networking elements and protocol work behind a computer networking. So, the computer guys who are interested to learn how computer networking works should [...]
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How to Block WiFi Access although Password is Known | April 23, 2024
We usually get internet connection from any ISP and buy any WiFi Router and then configure wireless/AP with password and configure DHCP Server to get connection from own WiFi devices. We use these WiFi Routers/APs at home, office, workspace or any other public places. Usually, we get connected to our WiFi using our provided WiFi password. Initially there will be no problem to keep your network safe using password authentication. But day by day your password will be known by [...]
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Apache2 Web Server HTTPS Configuration on Ubuntu Server | August 15, 2021
Data transmission between web server and web client over port 80 (HTTP) is not encrypted. So, any middle man between web server and web client can view transmitted data and can steal secret information. To overcome this limitation, HTTPS Protocol over port 443 has been introduced. HTTPS is a secure web server that is configured with SSL/TLS certificate. TLS (Transport Layer Security) and its predecessor SSL (Secure Sockets Layer) are web protocols used to wrap normal traffic in a protected, [...]
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