Restrict unauthorised access with DHCP server
Most Relevant Content
MikroTik Router Static DHCP Server Configuration
DHCP Server assigns IP address and other related IP information (Subnet mask, Gateway and DNS) automatically to network devices. But automatic DHCP Server has some disadvantages too. If any IP device connects to any automatic DHCP network, the device will get an IP address and related IP information automatically by the DHCP Server and the device will start to use resources of this network. In this situation, the network administrator cannot know who is being connected to the network and using network resources such internet bandwidth, network printer and server. This unauthorized access is obviously a security issue of any network. But network administrator can prevent this unauthorized access to his network by applying static DHCP Server strategy in MikroTik Router. Static DHCP Server Strategy A network administrator can prevent unauthorized DHCP client access to his network by applying static DHCP Server strategy in MikroTik Router. Static DHCP server strategy is also known as MAC address binding with DHCP server. In a static DHCP network, the user of any IP device must provide MAC address to the network administrator to get IP address and related IP information such as Subnet mask, Gateway and DNS. Any IP device will not get [...]
- »
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 [...]
- »
How to Clear Google Chrome History | August 20, 2015
Google Chrome is one of the most popular web browsers to online users. It provides a lot of features which help to use this browser smoothly and securely. Google Chrome history is one of the useful features in Google Chrome which helpfully caches or remembers a lot of browsing information specially username and password or login credential of your important web account when you visit various websites in internet. If you are the only user of your desktop or laptop, [...]
- »
MikroTik User Manager Installation and Basic Configuration | December 15, 2019
MikroTik User Manager is a RADIUS application developed by MikroTik team and can be used without charge. User Manager is used for authentication, authorization and accounting of MikroTik RouterOS, PPPoE, Hotspot, DHCP and Wireless users. Although User Manager Package is developed by MikroTik it will not be found in RouterOS by default. So, we have to install User Manager Package manually if we wish to use this RADIUS application. User Manager can be installed on MikroTik RouterBOARD, MikroTik CHR or [...]
- »
How to Block MAC Address in MikroTik RouterOS 7 | July 11, 2024
MikroTik RouterOS 7 by default allows any MAC address to get internet connection through it. But we may need to block some MAC addresses sometimes. There are three methods to block MAC address in MikroTik RouterOS 7 – Blocking MAC Address using Bridge Filter Rule. Blocking MAC Address using Firewall Filter Rule and Blocking MAC Address from DHCP Lease. We can use any of these methods if we want to block MAC Address in MikroTik Router. In this article, we [...]
- »
MikroTik Hotspot Login Page with Random MAC Detection | October 5, 2025
Hotspot businesses such as cafés, restaurants, co-working spaces, schools, and ISPs often rely on MikroTik Hotspot solutions to provide Wi-Fi access. One common challenge is that many modern devices (Android, iOS, Windows, macOS) use randomized (private) MAC addresses, which can cause repeated logins, loss of session persistence, and difficulties with usage tracking. To solve this problem, we have designed a professional Hotspot Login Page Template that not only looks modern and mobile-friendly but also detects randomized MAC addresses and notifies [...]
- »
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 [...]
- »
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 [...]
- »
How to Prevent Simultaneous User Login in MikroTik Hotspot | November 10, 2020
MikroTik Hotspot is a user based internet access system. Most of the user authentication and authorization can be controlled with MikroTik Hotspot. But sometimes some users misuse user based authentication system. Misusing simultaneous login is one of them. Usually we provide one username and password for a user and we expect he/she will use this username and password from only one device at a time. But it is also possible to use same username and password in multiple devices at [...]
- »
WiFi Station Setup in MikroTik Wireless Router | November 27, 2019
MikroTik Wireless Router is capable of working as a WiFi Client. So, if any ISP provides WiFi connection for their clients, MikroTik Wireless Router can be used to connect to that ISP SSID by configuring wireless station mode. MikroTik WiFi station mode finds available SSID and connects with permitted SSID. This wireless connection can be used as wireless WAN connection and configuring LAN, multiple devices can get internet over this wireless WAN connection. In my previous article, I discussed how [...]
You May Also Like
