How NAT traversal works · Tailscale

Learn how NAT traversal works, how Tailscale can get through and securely connect your devices directly to each other.

How NAT traversal works Join us June 23 to see the ROI of switching to Tailscale. REGISTER -> Blog | August 21, 2020 How NAT traversal works We covered a lot of ground in our post about How Tailscale Works . However, we glossed over how we can get through NATs (Network Address Translators) and connect your devices directly to each other, no matter what’s standing between them. Let’s talk about that now! Let’s start with a simple problem: establishing a peer-to-peer connection between two machines. In Tailscale’s case, we want to set up a WireGuard® tunnel, but that doesn’t really matter. The t

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• Katherine Huang
• Jacky Zhao
• Eric Zhang
• Darya Kaviani
• Jianmin Chen
• Cheikh Fiteni

related reading

• Tailscale: How it workstailscale.com
• Decentralized Hole Punchingresearch.protocol.ai
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• WireGuard: Next Generation Kernel Network Tunnelwireguard.com
• Double Network Address Translation (NAT)noip.com
• What is IP Masquerade?tldp.org
• WireGuard: fast, modern, secure VPN tunnelwireguard.com
• The Internet explained from first principlesexplained-from-first-principles.com
• Bad hosts, or: how I learned to stop worrying and love the overlay networkrobinsloan.com
• Tailscale on AWS Lambda · Tailscale Docstailscale.com
• Learn how easy is to bypass firewalls using DNS tunneling (and also how to block it) | by Roger Galobardes | Mediummedium.com
• ietf.org/rfc/rfc3056.txtietf.org