Setting Up Domestic VPS Configuration Tips And Precautions For American SS

1. Choose a suitable VPS service provider

Before setting up SS, you first need to choose a suitable VPS service provider. Common service providers include AWS, Vultr, DigitalOcean, etc. Keep in mind the following points when purchasing:

• Confirm support for SS protocol
• Choose the US node to ensure speed and stability
• Check the service provider's network latency

2. Purchase VPS and obtain SSH information

After selecting a VPS, complete the purchase according to the service provider's instructions. After purchasing, you will receive an email containing your SSH information, including the IP address, username, and password. Please follow the steps below to connect to the VPS:

1. Download and install an SSH client (such as Putty or Xshell)
2. Open the SSH client and enter the IP address and port of the VPS (default is 22)
3. Enter username and password after connection to complete login

3. Update the system and install necessary software

After connecting to the VPS, the first step is to update the system and install the necessary software. You can use the following command:

    sudo apt update && sudo apt upgrade -y
    sudo apt install python3 python3-pip -y
    

In addition, make sure that curl and git are installed:

    sudo apt install curl git -y
    

4. Install and configure Shadowsocks

Choose to install Shadowsocks-python. Use the following command to install:

    sudo pip3 install shadowsocks
    

After installation, create the configuration file:

    sudo nano /etc/shadowsocks.json
    

Add the following content to the configuration file:

    {
        "server": "0.0.0.0",
        "port_password": {
            "8388": "your_password"
        },
        "timeout": 300,
        "method": "aes-256-gcm"
    }
    

your_Replace "password" with your password.

5. Start the Shadowsocks service

After the configuration is completed, you can use the following command to start Shadowsocks:

    ssserver -c /etc/shadowsocks.json -d start
    

At this moment, the Shadowsocks service has been successfully started. You can use the following command to check the service status:

    ssserver -c /etc/shadowsocks.json -d status
    

6. Set firewall rules

To ensure that Shadowsocks works properly, firewall rules need to be set. Use the following command to open port 8388:

    sudo ufw allow 8388
    

Also, make sure to check the firewall status:

    sudo ufw status
    

7. Configure client connection

Install the Shadowsocks client on the client side (such as Windows, macOS, or mobile devices) and fill in the following information:

• Server address: Your VPS IP
• Port: 8388
• Password: The password you set in the configuration file
• Encryption Method: aes-256-gcm

After completing the configuration, start the Shadowsocks client and test if the connection is successful.

8. Notes and Common Issues

When setting up SS using a VPS, there are several things to keep in mind:

• Regularly check the security of the VPS, update the system and software
• Use strong passwords and change them regularly
• Avoid using SS on public networks

9. Frequently Asked Questions

Q1: How do I know if my Shadowsocks is working properly?

You can check the status of Shadowsocks by running the command `ssserver -c /etc/shadowsocks.json -d status` on your VPS. If the service is running properly, you should be able to see the relevant service information. You can also perform a connection test on the client side. If the connection is successful, it indicates that the service is running normally.

Q2: What should I do if I cannot connect to Shadowsocks?

First, check the firewall settings of the VPS to ensure that port 8388 is open. Secondly, confirm that the client configuration is correct, including whether the IP address, port, password, and encryption method are consistent. If you are still unable to connect, you can check the system logs of the VPS to find potential error messages.

Q3: Is it necessary to regularly change the password for Shadowsocks?

Yes, to enhance security, it is recommended to regularly change the password of Shadowsocks. You can modify the password in the configuration file and restart the Shadowsocks service to make the changes take effect. You can also update the new password on the client side.