Recently, Facebook has updated 2 ways of securing Facebook classes, 2 elements of authentication (2FA) for Facebook using Duo Mobile and Google Authenticator authentication applications. Previously to secure 2 layers for Facebook need a phone number. Then, when you receive the SMS, you can access your personal Facebook account.
However, recently over the phone security system Facebook constantly fails, sending SMS unrelated to users, the authentication application is a safer, more optimal option especially faster. When using Duo Mobile or Google Authenticator, you want to log in to Facebook just enter the security code provided by the application.
The following article of social-networking-tips will teach you how to turn on 2-factor authentication for Facebook, via application and via phone number.
1. Turn on Facebook security via the authentication application
As mentioned to use this way, you need to download the Duo Mobile application or. Click on the link below to download the application.
Step 1:
In your personal Facebook account, click on the triangle icon and select Settings.
Step 2:
In the new installation interface, click on the Security group and login.
Next you look at the content on the right to find 2-factor authentication, then click the Use 2-factor authentication option.
Step 3:
Click the Start button to proceed to secure Facebook 2-factor authentication.
Now the system will ask users to re-enter their Facebook password.
Step 4:
Current 2-factor authentication on Facebook will have 2 ways via SMS text message about phone number, or via authentication application. Click on the Authentication Application and then press the Next button below.
Step 5:
Now users will be notified to use 1 of 2 Duo Mobile and Google Authenticator applications to turn on authentication. We will have 2 ways to proceed with the setup via a third-party authentication tool, via QR code or entering the authentication code. Click the Next button.
Step 6:
Now you open the application installed on the device, here is Google Authenticator, click Start setup. We will then be selected to set up. To scan a QR code, press Scan the barcode. If you want to enter the code, press Manual entry.
You need to agree to the application to access the camera, press OK. Then just scan the QR code with the camera to set up. We will immediately receive the access code. The code will have a expiry date. Time will change to another code.
Step 8:
Or enter the code on Google Authenticator application into this interface of Facebook.
When you enter it correctly, you will receive a confirmation of 2-factor authentication and you have successfully secured 2 layers of Facebook via authentication application. Users will have 1 week of login without code and you can choose to turn it on or off.
Step 1:
2. How to turn off Facebook 2-layer authentication via the app
You also access the Security section and log in on Facebook and also click on the Use 2-factor authentication section.
Here we will see there are two ways to secure messages and applications. If you still want to use the authentication element but switch to another authentication application, click Remove application.
Facbeook will ask if you are sure to delete the authentication application, press Delete.
Step 2:
To completely turn off the 2-layer Facebook security element, click the Off button above the interface.
Finally, click Off to confirm that you do not use 2-factor authentication on Facebook.
To achieve efficiency as well as ease of implementation, you should perform security on 2 layers of Facebook on your computer.
3. Activate Facebook layer 2 security via phone
Step 1:
First of all, we log in to your personal Facebook account. At the main interface, we click the arrow on the top right and select Install.
Step 2:
Next in the Settings interface, we click the Security item and log in the menu on the left of the interface.
Step 3:
You look to the right interface. Here, we go to the section Using 2-factor authentication, then select Settings.
Soon a new dialog box appears. Click on the Enable button to activate 2-layer security for Facebook.
Step 4:
In the Setup dialog box providing the security code, Facebook will ask the user to enter a mobile phone number, to receive the second security code message when we log into the Facebook account.
We enter the phone number, Vietnam area code by default, and then click the Continue button below.
Step 5:
When you have entered the correct phone number, Facebok will send a phone number with a security code with 6 characters to confirm. You enter the 6-character code sequence into the interface on Facebook and click Accept to verify.
Step 6:
Next, the login approval approval dialog box appears. We will tick No, request the code immediately, next click Close. So you have activated the 2-layer security mode for Facebook account already.
The next time you log in, you will receive a login approval code sent to your phone. Enter the code to login.
After entering the password, you will be asked if you want to save this browser for the next time you login without a password.
When we log in to a Facebook account on a strange computer or smartphone, without ever logging in before, you must add a second security code entry step, sent by message on the registered phone. This security code will change when we log in.
Setting up the 2-layer Facebook security code on your computer will not affect your account usage or login on your smartphone.
As mentioned, when you enable this feature, you will receive a second code via phone message. We must enter this code to log in to the account. So what if you don't bring your phone and can't enter the security code?
Step 1:
3. Log in to Facebook if you can't enter the code
First of all, you also access the Privacy section and log in on Facebook. Navigate to Use 2-factor authentication, you will see Recovery code, click Get code.
Step 2:
If required, re-enter your Facebook account password. Immediately afterwards, appears the Login Approval Code dialog box. We'll see 10 random code snippets that we can use to log into our Facebook account, in case you don't bring your phone to enter the confirmation code. It is best to save all 10 codes above, except in case you do not receive the security code or do not carry the phone.
Since the security of two layers on Facebook needs to add a step to receive the message to enter the security code, so it will add a login step or sometimes we do not receive the code to the phone, we can remove the password verification feature of 2 layers on Facebook.
In the section Using 2-factor authentication, click the Off button to cancel this feature.
4. How to cancel 2 layers of Facebook security via phone
Refer to the following articles:
I wish you all success!
Trên đây là bài hướng dẫn cách kích hoạt tính năng bảo mật 2 lớp cho Facebook. Bên cạnh đó, với trường hợp bạn không thể nhập mã gửi về điện thoại thì có thể sử dụng 1 trong 10 mã mà Facebook cung cấp. Đừng bỏ qua việc xác nhận mật khẩu 2 lớp cho Facebook để có thể tăng cường bức tường bảo mật cho tài khoản nhé.
Tham khảo thêm các bài sau đây:
Chúc các bạn thực hiện thành công!
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