---
title: "NetworkAclRule"
slug: "common-vapidatatype-networkacllist"
updated: 2026-09-17T09:25:06Z
published: 2026-09-17T09:25:06Z
canonical: "api.ncloud-docs.com/common-vapidatatype-networkacllist"
---

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

# NetworkAclRule

Available in VPC

This is a network ACL rule.

## Syntax

The syntax is as follows.

```
private String networkAclNo;
private Integer priority;
private CommonCode protocolType;
private String portRange;
private CommonCode ruleAction;
private Date createDate;
private String ipBlock;
private String denyAllowGroupNo;
private CommonCode networkAclRuleType;
private String networkAclRuleDescription;
```

## Field

The following describes the fields.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `networkAclNo` | String | Required | Network ACL number |
| `priority` | Integer | Required | Priority - 0 - 199 |
| `protocolType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Protocol type - `TCP` \| `UDP` \| `ICMP` |
| `portRange` | String | Optional | Port range - 1 - 65535 - Single port - <Example> 22 |
| `ruleAction` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Network ACL rule action type - `ALLOW` \| `DROP` - `ALLOW`: allow rules - `DROP`: block rules |
| `createDate` | Date | Required | Creation date and time (YYYY-MM-DDThh:mm:ssZ) |
| `ipBlock` | String | Optional | IP address block of the access source to apply the network ACL rule |
| `denyAllowGroupNo` | String | Optional | Deny-Allow group number of the access source to apply the network ACL rule |
| `networkAclRuleType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Network ACL rule type - `INBND` \| `OTBND` - `INBND`: inbound rule - `OTBND`: outbound rule |
| `networkAclRuleDescription` | String | Optional | Network ACL rule description |