> For the complete documentation index, see [llms.txt](https://ztrust.gitbook.io/ztrust-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ztrust.gitbook.io/ztrust-documentation/user-manual-ztrust-v4.1/4.-admin-manual/4.13-set-up-multi-factor-authentication/4.13.7-nfc-based-authentication.md).

# 4.13.7 NFC Based Authentication

*"NFC allows the system to not only identify the user but also provide a very high level of security that the tag/card (and therefore the username that the tag/card is attached to) is in fact the user it claims to be."*

To configure the NFC Based Authentication, follow the below steps -

1. Go to the **Authentication** tab in the sidebar.<br>

   <figure><img src="/files/FZ9Xtzwm2z74IpWX8wDx" alt=""><figcaption><p>Fig. 4.12.7.a: Navingating to Authentication section</p></figcaption></figure>

2. Click on the **kebab menu (three dots)** on the right side of the browser flow. Select **Duplicate**. A popup will appear.<br>

   <figure><img src="/files/ZC8fjPfWISthTXKRqmpr" alt=""><figcaption><p>Fig 4.12.7.b: Duplicating the existing browser flow</p></figcaption></figure>

3. Provide a **Name** for the flow, "NFC Flow". Click **Duplicate**. You will be redirected to the new flow configuration.<br>

   <figure><img src="/files/j29Wv5g8Ol3H2mdstTmy" alt=""><figcaption><p>Fig 4.12.7.c: Giving a name to the new browser flow for NFC based login</p></figcaption></figure>

4. Delete everything under **NFC Flow forms**.<br>

   <figure><img src="/files/kK0G05dx8geZ9gzYPAxD" alt=""><figcaption><p>Fig 4.12.7.d: Duplicated browser flow configuration page for NFC login</p></figcaption></figure>

5. Click on the **plus** icon on the right side of the **NFC Flow forms**. Select **Add Execution**. A popup will appear to select an execution.<br>

   <figure><img src="/files/UH0U0f1ud1rayfnGY476" alt=""><figcaption><p>Fig 4.12.7.e: Proceeding to add a new execution to NFC based login flow</p></figcaption></figure>

6. Search for **NFC Authenticator**, select it and click **Add**.<br>

   <figure><img src="/files/bLXUztrEcAmuq6nkNFie" alt=""><figcaption><p>Fig 4.12.7.f: Select 'NFC based Authenticator' execution to add</p></figcaption></figure>

7. Click on the **settings menu (gear icon)** on the right side of the **NFC Authenticator**. A popup will appear to configure the NFC settings.<br>

   <figure><img src="/files/r4h1tZGeOTbprk0zPwNQ" alt=""><figcaption><p>Fig 4.12.7.g: Proceeding to configure NFC based login</p></figcaption></figure>

8. Provide an **Alias**. **Set Expires in (in seconds)** and click **Save**.

   <figure><img src="/files/Way55gceURKGemIshbt1" alt=""><figcaption><p>Fig 4.12.7.h: Configuring NFC based login</p></figcaption></figure>

9. Change **Requirement** of the NFC Authenticator from **Disabled** to **Required**.<br>

   <figure><img src="/files/vidLlMkNPPwKGgZEFUR3" alt=""><figcaption><p>Fig 4.12.7.i: Changing the 'Requirement' of NFC based login</p></figcaption></figure>

10. Click on the **Actions**, on the top right of the page, and then **Bind flow**. A popup will appear.<br>

    <figure><img src="/files/D5iiXQO3Nisalo0vTjhQ" alt=""><figcaption><p>Fig 4.12.5.j: Proceeding to bind the login NFC based login flow</p></figcaption></figure>

11. Select the **Browser flow** as the **binding type** and click **Save**.<br>

    <figure><img src="/files/BAJQoF6AXghAdNO8Yam1" alt=""><figcaption><p>Fig 4.12.7.j: Selecting a flow to bind NFC based login to</p></figcaption></figure>

The NFC based Authentication is enabled now.<br>