---
title: "Network settings"
slug: "sslvpn-network-classic"
tags: ["SSL VPN"]
updated: 2026-09-17T09:19:52Z
published: 2026-09-17T09:19:52Z
canonical: "guide.ncloud-docs.com/sslvpn-network-classic"
stale: true
---

> ## 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.

# Network settings

Available in Classic

You can set rules for the SSL VPN IP pool in the ACG.

## Set ACG

You need to set rules for the SSL VPN IP pool in the ACG of the server you want to connect to through SSL VPN. To set an ACG:

1. From the NAVER Cloud Platform console's Classic environment, navigate to **Menu** > **All Services** > **Security** > **SSL VPN**.
2. Check the SSL VPN IP pool for which you set rules in the ACG.  

![sslvpn-network-classic_ip_ko](https://cdn.document360.io/6998976f-9d95-4df8-b847-d375892b92c2/Images/Documentation/sslvpn-network-classic_ip_en.png?sv=2026-02-06&spr=https&st=2026-11-14T05%3A05%3A16Z&se=2026-11-14T06%3A05%3A16Z&sr=c&sp=r&sig=4WO3gY53cFaR6nCEKsqqPAmJp2FYnpu0MX7j%2BGZaazs%3D)
  - It is typically assigned as a 28-bit IP block (16 addresses).
3. Navigate to **Menu** > **All Services** > **Compute** > **Server**.
4. Click the **ACG** menu.
5. Select the ACG to set rules for, and click **[Set ACG]**.
6. Select the protocol for the access type, enter the access source (SSL VPN IP pool) and allowed port, and click **[Add]**.
  - The protocols and port numbers for access types are as follows:

| Access type | Protocol | Port number |
| --- | --- | --- |
| ping | ICMP | - |
| ssh | TCP | 22 |
| Remote access to Windows (RDP) | TCP | 3389 |
7. Click **[Apply]**, and then click **[OK]** in the **Notification** popup