---
title: "Masking"
slug: "dsac-masking"
tags: ["DSAC", "DB and Server Access Control"]
updated: 2026-10-08T07:00:32Z
published: 2026-10-08T07:00:32Z
canonical: "guide.ncloud-docs.com/dsac-masking"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Masking

Available in VPC

In Masking, you can create and manage custom masking rules in addition to the personal information patterns provided by default in DB & Server Access Control. Created masking rules can be applied to the logging and masking settings of access control targets.

## Masking interface

The Masking interface includes the following components:

![dsac-masking_01_kr.png](https://cdn.document360.io/6998976f-9d95-4df8-b847-d375892b92c2/Images/Documentation/dsac-masking_01_kr.png?sv=2026-02-06&spr=https&st=2026-11-14T04%3A50%3A34Z&se=2026-11-14T05%3A50%3A34Z&sr=c&sp=r&sig=Tx4ByvAp%2BchkUw%2FW48UCGkXs%2BmEex4%2FxRD%2FxuTu0OKw%3D)

| Component | Description |
| --- | --- |
| ① Menu name | Current menu name. |
| ② Basic features | Basic features provided by the DB & Server Access Control service. - **[Create masking]**: Create a custom masking rule. - **[Learn more]**: View service details. - **[Refresh]**: Update the page with the latest information. |
| ③ Masking features | Features provided on the Masking interface. - **[Edit]**: Edit a masking rule. - **[Delete]**: Delete a masking rule. |
| ④ Masking rule list | View the list of masking rules with details. - **Masking name**: The name of the masking rule. - **Regular expression**: The regular expression defined in the masking rule. - **Number of applied Targets**: The number of access control targets to which the masking rule is applied. - **Memo**: Notes about the masking rule. - **Creation date/time**: When the masking rule was created. - **Details**: Details of the masking rule. |

## Create masking

To create a masking rule:

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Security** > **DB & Server Access Control** > **Masking**.
2. Click **[Create masking]**.
3. When the **Create masking** popup appears, enter the required information.
  - **Masking name**: Enter 3-30 characters using lowercase English letters, numbers, and hyphens (-). The name must start with an English letter.
  - **Regular expression**: Enter a masking pattern of up to 1,000 bytes.
  - **Input test data**: Enter up to 1,000 bytes of test data to validate the masking pattern.
  - **Masking application example**: Enter test data to view the results of applying the masking rule.
  - **Memo**: Enter a description of the masking rule of up to 1,000 bytes.
4. Click **[Create]**.

              Note

              

Test data and masking application examples are used for validation purposes only and are not saved.

## Edit masking

You can edit masking rules. However, you cannot change the masking name set when the rule was created. To edit a masking rule:

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Security** > **DB & Server Access Control** > **Masking**.
2. Select the masking rule you want to edit and click **[Edit]**.
3. When the **Edit masking** popup appears, edit the required information.
4. Click **[Edit]**.

## Delete masking

To delete a masking rule:

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Security** > **DB & Server Access Control** > **Masking**.
2. Select the masking rule you want to delete and click **[Delete]**.
3. When the **Delete masking** popup appears, check the masking name, and then click **[Yes]**.

              Note

              

Masking rules applied to access control targets cannot be deleted. To delete the rule, go to **Access Control Target**, click **[Logging and masking settings]**, remove the rule from the target, and try again.