I used udp2raw for WireGuard, since my cloud provider blocked UDP

In plain words

udp2raw converts UDP traffic into TCP, allowing WireGuard to function over TCP connections. This tool is useful for users whose internet service providers or cloud providers block UDP protocols. By tunneling UDP through TCP, it enables VPN connectivity in restrictive network environments where standard UDP-based VPN protocols would normally be unavailable.

written from the facts on this page · September 2026

From the sources

For Debian or Ubuntu, you can use a binary release from: https://github.com/wangyu-/udp2raw/releases Then, install it under /sbin directory. For example, on a x86_64 system: NOTE: this will not work with AllowedIPs = 0.0.0.0/0 for example, as the udp2raw tunnel would break. a potential workaround is to use something like https://www.lautenbacher.io/en/lamp-en/wireguard-exclude-a-single-ip-address/ to generate a list which excludes your udp2raw server IP. another possibility is setting up an explicit route for the server IP as described in https://www.procustodibus.com/blog/2022/02/wireguard-over-tcp/#point-to-internet @lexavey I had the same problem. WireGuard seems to be connected, but…from gist.github.com

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