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1b7313622a
With #8263, we will stop receiving UDP and TCP DNS queries on the tunnel but use regular sockets instead. This means that for UDP DNS queries that need to be sent _through_ the tunnel, we actually need to make new IP packets again. For TCP, we already have a crate that does this for us because there, we need to manage an entire TCP stack. For UDP, the story is a bit simpler but there are still a few things involved. In particular, we need to set a source address for the packets and we need to sample a new random port for each query. The crate added in this PR does exactly that. It is not yet used anywhere but split out into a separate PR to reduce the reviewing burden of the larger refactor. Related: #8263 Related: #10758
Connlib
Firezone's connectivity library shared by all clients.
Building Connlib
You shouldn't need to build connlib directly; it's typically built as a dependency of one of the other Firezone components. See READMEs in those directories for relevant instructions.