How to Install and Set Up SFTPGo on AnonVM for Secure File Transfers

SFTPGo is a modern, secure, and highly configurable SFTP server written in Go. It offers rich features like file storage backends, virtual folders, API access, and built-in logging. By installing SFTPGo on an AnonVM server, you can secure file transfers and gain robust access management for users. This guide walks you through the steps to install and configure SFTPGo on your AnonVM server.


Table of Contents

  1. Prerequisites
  2. Installing SFTPGo on AnonVM
  3. Configuring SFTPGo
  4. Adding Users and Setting Permissions
  5. Managing SFTPGo Server
  6. Testing the SFTPGo Setup
  7. Security and Optimization Tips

1. Prerequisites

Ensure you have:

  • AnonVM VPS or dedicated server running a Linux distribution like Ubuntu or Debian.
  • Root access or sudo privileges.
  • Basic command-line knowledge.

In this guide, we’ll be using Ubuntu 22.04 LTS.


2. Installing SFTPGo on AnonVM

  1. Download the Latest Release: Start by fetching the latest SFTPGo binary release:

     
    wget https://github.com/drakkan/sftpgo/releases/latest/download/sftpgo_amd64.deb
  2. Install the SFTPGo Package: Use dpkg to install the downloaded .deb package:

     
    sudo dpkg -i sftpgo_amd64.deb

    To resolve any dependencies:

     
    sudo apt --fix-broken install
  3. Start and Enable SFTPGo Service:

     
    sudo systemctl start sftpgo sudo systemctl enable sftpgo
  4. Verify Installation: Check if SFTPGo is running:

     
    sudo systemctl status sftpgo

3. Configuring SFTPGo

The main configuration file for SFTPGo is located at /etc/sftpgo/sftpgo.json. Open it for editing:

 
sudo nano /etc/sftpgo/sftpgo.json

Adjust the configuration to match your needs:

  • Default Ports: The default SFTP port is 2022, but you can change it if desired.
  • Data Storage: Choose between a built-in SQLite database or configure MySQL/PostgreSQL for larger deployments.

After making changes, save the file and restart SFTPGo:

 
sudo systemctl restart sftpgo

4. Adding Users and Setting Permissions

With SFTPGo, you can add users via the command line or the API. To add a user:

  1. Use the SFTPGo Admin CLI:

     
    sudo sftpgo admin adduser

    Follow the prompts to configure the new user’s:

    • Username and password for authentication.
    • Home directory and virtual folder settings.
    • Permissions (such as read, write, or list).
  2. Customize User Permissions: To customize permissions further, reopen /etc/sftpgo/sftpgo.json and set specific rules for each user, including bandwidth limits, file quotas, and IP restrictions.


5. Managing SFTPGo Server

To manage and monitor your SFTPGo server effectively, you can utilize system commands:

  • Restart SFTPGo:

     
    sudo systemctl restart sftpgo
  • View Logs for activity and error tracking:

     
    sudo journalctl -u sftpgo
  • Check Active Connections: You can monitor connections via the SFTPGo API or logs, which provide detailed insight into active sessions.


6. Testing the SFTPGo Setup

To verify that SFTPGo is working correctly:

  1. Connect Using an SFTP Client: Use any SFTP client (e.g., FileZilla, WinSCP) and enter the following details:

    • Host: Your AnonVM server IP
    • Port: 2022 (or your configured SFTPGo port)
    • Username and password: The credentials you set in Step 4
  2. Test File Transfers: Upload and download test files to ensure that the permissions and speed meet your expectations.

  3. CLI Connection: From the command line, you can test with:

     
    sftp -P 2022 your_username@your_server_ip

    Replace your_username and your_server_ip with your actual SFTPGo credentials.


7. Security and Optimization Tips

Enhance the security and efficiency of your SFTPGo server with these tips:

  1. Firewall Configuration: Use ufw to allow only specific IPs to access the SFTP port (default: 2022):

     
    sudo ufw allow from <client_ip> to any port 2022
  2. Enable Logging: SFTPGo provides extensive logging options. Configure logging settings in /etc/sftpgo/sftpgo.json to track user activities and detect unauthorized access attempts.

  3. Restrict Access by IP: Limit access to trusted IP addresses by setting IP restrictions in user profiles.

  4. Enable Multi-Factor Authentication (MFA): For additional security, consider enabling MFA if using API integrations or the SFTPGo web interface.

  5. Regular Updates: Keep SFTPGo up-to-date to benefit from security patches and performance improvements:

     
    sudo apt update && sudo apt upgrade
  6. Data Encryption: SFTPGo uses SFTP (SSH File Transfer Protocol), which encrypts data in transit. Ensure SSH keys are securely managed and rotate them regularly if necessary.

  7. Optimize Performance:

    • Consider using a dedicated storage backend if handling large data volumes.
    • Adjust user quotas and rate limits to prevent resource overuse.

Conclusion

With SFTPGo on AnonVM, you've now set up a secure, user-friendly SFTP server for managing file transfers. SFTPGo offers flexibility, robust user control, and powerful logging capabilities, making it ideal for a wide range of file-sharing needs. Remember to regularly monitor logs, update your server, and keep user credentials secure for a reliable SFTP environment.

By following this guide, you ensure your AnonVM setup is optimized for efficient and secure file transfers. Enjoy a streamlined file-sharing experience with SFTPGo!

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