go-vpn

Go VPN

A simple VPN server and client based on Go, featuring easy installation and systemd service management.

Quick Install

Server Side

bash <(curl -sSL https://raw.githubusercontent.com/ariadata/go-vpn/main/installer-server.sh)

The server installer will:

• Check system requirements (Linux x64 + root access)
• Install the latest version of VPN server
• Configure as a systemd service
• Set up IP forwarding and iptables rules
• Start the service automatically

Client Side

bash <(curl -sSL https://raw.githubusercontent.com/ariadata/go-vpn/main/installer-client.sh)

The client installer will:

• Check system requirements (Linux x64 + root access)
• Install the latest version of VPN client
• Configure as a systemd service
• Set up required iptables rules
• Start the service automatically
• Test the connection

Service Management

Server Commands

systemctl start go-vpn-server    # Start the server
systemctl stop go-vpn-server     # Stop the server
systemctl restart go-vpn-server  # Restart the server
systemctl status go-vpn-server   # Check server status

Client Commands

systemctl start go-vpn-client    # Start the client
systemctl stop go-vpn-client     # Stop the client
systemctl restart go-vpn-client  # Restart the client
systemctl status go-vpn-client   # Check client status

Testing VPN Connection

After installing the client, you can test the connection using these commands:

Ping Test

# Ping the VPN gateway (if your VPN CIDR is 172.18.0.10/24, this pings 172.18.0.1)
ping 172.18.0.1

# Ping other hosts in your VPN network
ping 172.18.0.2

Check Your IP

# Check your IP through the VPN interface
curl --interface go-vpn myip4.ir

# Compare with your regular IP
curl myip4.ir

Requirements

• Linux x64 system
• Root access
• systemd
• iptables

Features

• Automated installation
• systemd service management
• Persistent iptables rules
• Automatic IP forwarding
• Connection testing
• Service auto-restart on failure

Uninstallation

To completely remove the VPN server or client:

Server

systemctl stop go-vpn-server
systemctl disable go-vpn-server
rm /etc/systemd/system/go-vpn-server.service
rm /usr/local/bin/go-vpn-server
systemctl daemon-reload

Client

systemctl stop go-vpn-client
systemctl disable go-vpn-client
rm /etc/systemd/system/go-vpn-client.service
rm /usr/local/bin/go-vpn-client
systemctl daemon-reload

License

MIT