Ubuntu 16.04+OpenVPN配置静态本地IP的简易方案求助

Hey there, let's break down how to fix your static VPN IP issue and get your Minecraft server accessible, even with your network restrictions:

1. Lock in a Static Local VPN IP #

Since you can't modify PIA's server configurations, we'll set this up on your client side:

• First, locate your PIA OpenVPN config file (usually in /etc/openvpn/ or ~/.openvpn/ with a .ovpn extension).
• Open it in a text editor and add these lines to keep your tun device and key persistent (reduces IP changes on reconnection):

  persist-tun
  persist-key
  

• To force a specific local VPN IP (like your desired 10.36.10.10), add these lines at the end of the config. First, connect to VPN once and run ifconfig tun0 to get the server's tun IP (look for the POINTOPOINT value), then replace 10.36.10.1 with that address:

  ifconfig 10.36.10.10 10.36.10.1
  netmask 255.255.255.0
  

• Save the file and restart OpenVPN with sudo systemctl restart openvpn@your-config-filename (replace your-config-filename with the actual name of your .ovpn file without the extension).

2. Fix Minecraft Server Connectivity #

Your static PIA public IP is great, but port mapping restrictions are blocking access. Try these workarounds:

Option 1: Use PIA's Built-In Port Forwarding #

PIA supports port forwarding for VPN users, which is perfect for your use case:

• After connecting to VPN, run this command to get your assigned forward port (install curl first if needed with sudo apt install curl):

  curl -s -k "https://www.privateinternetaccess.com/vpninfo/port_forward_assignment" | awk -F: '{print $2}' | tr -d '"'
  

• Open your Minecraft server.properties file:
  • Set server-ip=10.36.10.10 to bind the server to your static VPN local IP.
  • Set server-port=YOUR_ASSIGNED_PORT (replace with the port you got from the curl command).
• Restart your Minecraft server—players can now connect using YOUR_STATIC_PIA_IP:ASSIGNED_PORT.

Option 2: Reverse Proxy with ngrok (Backup) #

If PIA's port forwarding doesn't work, use ngrok to create a public tunnel to your VPN-bound server. Note: This might add a tiny bit of latency, but it's reliable:

• Download the ngrok stable binary for Linux amd64 from the official ngrok site, then extract and install it:

  tar xzf ngrok-v3-stable-linux-amd64.tgz
  sudo mv ngrok /usr/local/bin/
  

• Grab your auth token from the ngrok dashboard, then configure it:

  ngrok config add-authtoken YOUR_NGROK_AUTH_TOKEN
  

• Start the tunnel to your Minecraft server:

  ngrok tcp 10.36.10.10:25565
  

• Players can connect using the public address ngrok provides (looks like tcp://0.tcp.ca.ngrok.io:12345).

3. Reduce Latency with Canadian Servers #

Since you're stuck using Canadian servers, here's how to minimize lag:

• Test PIA's Canadian servers with ping server-address (e.g., ping ca-toronto.privateinternetaccess.com) and pick the one with the lowest latency.
• Ensure your OpenVPN config uses UDP (most PIA defaults do this—UDP is faster for gaming than TCP).
• Lower your Minecraft server's view-distance in server.properties (try view-distance=8) to reduce server load and improve responsiveness.

内容的提问来源于stack exchange，提问作者EODCraft Staff