# Setting Node PassCode for Enhanced Privacy

### Overview

A PassCode adds an extra layer of security to your node by making it private. When enabled, your node will only be accessible to users who have the PassCode, making it ideal for private communities or selective service provision.

### Prerequisites

* AeroNyx client installed and running
* Node operational and active
* Chrome browser (recommended)

### Setup Process

#### 1. Client Authentication

* Ensure AeroNyx client is running on your computer
* The client enables [app.aeronyx.network](https://app.aeronyx.network) to:
  * Read your BDID information
  * Authenticate your identity
  * Manage node settings

#### 2. Setting the PassCode

1. Navigate to [AeroNyx Dashboard](https://app.aeronyx.network)
2. Verify authentication status in top right corner
3. Locate your node in the active nodes list
4. Click on your node to access settings
5. Find the PassCode section
6. Create and confirm your PassCode
7. Save changes

#### 3. Effects of PassCode

* Node becomes hidden from public lists
* Only accessible with PassCode
* Maintains service for authorized users
* Prevents unauthorized access

#### 4. Managing PassCode

* **Updating PassCode**: Follow same process as setting
* **Removing PassCode**:
  1. Access node settings
  2. Clear existing PassCode
  3. Save changes
  4. Node will return to public visibility

### Important Notes

* Keep PassCode secure and shared only with intended users
* Document PassCode for backup purposes
* Consider periodic PassCode updates for security
* Monitor node access patterns

### Troubleshooting

* Ensure client is running before making changes
* Verify authentication status
* Check network connectivity
* Contact support for persistent issues


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