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Tailscale VPN

Tailscale VPN from https://tailscale.com/ 

  • configures a host interface tailscale0 
  • installs auto-start for tailscale daemon /etc/systemd/system/multi-user.target.wants/tailscaled.service
  • starts service at boot allocating IP address 100.100.69.2 to the tailscale0 nic
  • attaches tailscale0 nic to the shared VPN 
    • makes accessible 100.100.69.X addresses
    • makes the HOST available as an exit node

configured to use account pkswansea@outlook.com via the admin console via https://login.tailscale.com/admin 

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The server SSH service running on port 69 isonly exposed on the tailscale0 interface via the IP 100.100.69.2 once the daemon has started via /etc/systemd/system/ssh-after-tailscale.service and can only be accessed when connected to a valid VPN client

#!/bin/bash
while ! ip addr show tailscale0 | grep -q "inet ";

do
    sleep 10
done
systemctl start ssh

 

 

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