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Using the Internet without IPv4 connectivity
A technical blog about Rust, Linux and other topics.
By setting a lower MTU on our local WireGuard interface, we instruct our kernel's IP stack not to create packets larger than this size. This ensures that after WireGuard adds its own encapsulation overhead, the final UDP packet sent over the internet is small enough to avoid being dropped by any link along the path with a smaller MTU. I highly recommend Hetzner for a VPS, they have great prices and fully support running WireGuard tunnels and pretty much all legitimate usage (just no port scanning, traffic spoofing or cryptocurrency mining).
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