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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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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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MikroTik EoIP Tunnel for Bridging LANs over the Internet | April 22, 2018
VPN (Virtual Private Network) is a technology that provides a secure tunnel across a public network. A private network user can send and receive data to any remote private network using VPN Tunnel as if his/her network device was directly connected to that private network. MikroTik provides EoIP (Ethernet over IP) that is used to create a site to site VPN tunnel. EoIP tunneling is a MikroTik RouterOS protocol that creates an Ethernet tunnel between two MikroTik Routers on top [...]
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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 DNS Client and Caching DNS Server Configuration | April 7, 2019
Domain Name Server (DNS) is an essential part in a computer network. Today web communication cannot imagine without DNS. DNS is a client server protocol where DNS Client requests for the domain name resolution and DNS Server response on it. MikroTik Router has both DNS Client and DNS Server features. The DNS Client is used to resolve domain name to IP address from a DNS Server. On the other hand, the DNS Server feature provides domain name resolution for the [...]
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MikroTik Load Balancing and Link Redundancy with PBR | March 31, 2019
In computer networking, the Load Balancing technique is used to send network traffic over multiple gateways. If you have multiple ISP connections available, you can use load balancing technique to establish a stable network. You may now ask, why will I use multiple ISP connections? What are the benefits to use multiple ISP connections in my network? For your satisfaction, the following points are some reasons to use load balancing technique in your network. No ISP can give you 100% [...]
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MikroTik Blocking Websites with TLS Host Firewall Matcher | April 29, 2019
Most of the websites now use https and blocking https websites is so much harder with the MikroTik RouterOS version less than 6.41. But from RouterOS v6.41, MikroTik Firewall introduces a new property named TLS Host that is capable to match https websites so easily. So, blocking https websites like Facebook, YouTube etc. can be easily done with MikroTik Router if RouterOS version is greater than 6.41. In my previous article, I discussed how to block websites with MikroTik Router [...]
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How to Use Old Router as Range Extender to Boost WiFi Signal | October 7, 2019
WiFi is a technology to turn wired internet into WiFi internet and used in every home and office. Wireless internet gives you the freedom to use the internet without sitting in a single place. It is also true that speed performance drop in Wi-fi due to weak signal or interference. Sometimes laying a physical wired connection in every room is not possible. So Wi-Fi range extender setup helps you to boost signal strength. Instead of buying a new range extender [...]
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How to Block VPN Access with MikroTik Router | May 14, 2019
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 [...]
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MikroTik Hotspot Customization | April 5, 2017
Hotspot is one of the most popular services in MikroTik router. MikroTik Hotspot Gateway is a policy to authorize network clients before to access local network resources as well as public network resources through MikroTik router. In a Hotspot network, the user can login or authenticate using almost any web browser, so there is no need to install any additional software to client end. As Hotspot login prompt is a webpage, Hotspot service can effectively be used as an advertising medium of [...]
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