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How to clone MAC addresses to bypass mandatory portals

2025-01-17 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >

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This article introduces you how to clone the MAC address to bypass the mandatory portal, the content is very detailed, interested friends can refer to, hope to be helpful to you.

If you have ever connected to WiFi at home and outside the office, you will usually see a portal page. It may require you to accept terms of service or other agreements before you can access it. But what happens when you can't connect through such portals? This article shows you how to use NetworkManager on Fedora so that you can still access the Internet in some glitch situations.

Force how the portal works

A mandatory portal is a web page that is displayed when a new device connects to the network. When a user visits the Internet for the first time, the portal site captures all page requests and redirects them to a single portal page.

The page then asks the user to take some action, usually agreeing to use the policy. Once the user agrees, they can authenticate to RADIUS or other types of authentication systems. In short, the mandatory portal registers and authorizes the device based on the device's MAC address and end-user acceptance terms. (MAC addresses are hardware-based values attached to any network interface, such as WiFi chips or cards. )

Sometimes the device cannot load the mandatory portal for authentication and authorization to use WiFI access. Examples of this include mobile devices and game consoles (Switch, Playstation, etc.). When connected to the Internet, they usually do not open the mandatory portal page. You may see this when connecting to a hotel or public WiFi access point.

However, you can use NetworkManager on Fedora to solve these problems. Fedora allows you to temporarily clone the MAC address of the device you want to connect to and authenticate on behalf of the device through the mandatory portal. You need to get the MAC address of the connecting device. Usually, it is printed somewhere on the device and labeled. It is a hexadecimal value of six bytes, so it looks like 4A:1A:4C:B0:38:1F. Usually, you can also find it through the device's built-in menu.

Cloning using NetworkManager

First, open nm-connection-editor, or turn on WiFi settings through Settings. You can then use NetworkManager to clone:

For Ethernet: select the connected Ethernet connection. Then select the "Ethernet" tab. Record or copy the current MAC address. In "

Clone MAC address Cloned MAC address

Enter the MAC address of the game console or other device in the "field.

For WiFi: select the WiFi configuration name. Then select the "WiFi" tab. Record or copy the current MAC address. In "

Clone MAC address Cloned MAC address

Enter the MAC address of the game console or other device in the "field.

Start the required equipment

When the Fedora system connects to an Ethernet or WiFi configuration, the cloned MAC address is used to request the IP address and load the mandatory portal. Enter the required credentials and / or select a user agreement. The MAC address will be authorized.

Now, disconnect the WiF I or Ethernet configuration and change the MAC address of the Fedora system back to its original value. Then start the game console or other device. The device should now be able to access the Internet because its network interface has been authorized through your Fedora system.

But that's not all NetworkManager can do. For example, see randomizing the system hardware address for better privacy protection.

On how to clone the MAC address to bypass the mandatory portal to share here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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