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A DNS-protocol proxy for DNS-over-HTTPS: allows you to run a server on your local network which responds to DNS queries, but requests records across the internet using HTTPS.

It's known to work with the following providers:

If you're interested in a more roll-your-own-DNS system, you might look at dnoxy, a sibling project to secureoperator which allows running your own DNS-over-HTTPS servers.

Installation

You may retrieve binaries from the releases page, or install using go get:

go get -u github.com/fardog/secureoperator/cmd/secure-operator

Then either run the binary you downloaded, or the built package:

secure-operator

This will start a DNS server listening on TCP and UDP at :53. For usage information, run secure-operator --help.

Note: Running a service on port 53 requires administrative privileges on most systems.

Docker

There is a Docker image available for secureoperator:

docker pull fardog/secureoperator

The latest tag will always be the build from the master branch. If you wish to use one of the stable releases, use its version tag when pulling, e.g.:

docker pull fardog/secureoperator:4  # latest of major version
docker pull fardog/secureoperator:4.0  # latest of minor version
docker pull fardog/secureoperator:4.0.1  # exact version

Version Compatibility

This package follows semver for its tagged releases. The master branch is always considered stable, but may break API compatibility. If you require API stability, either use the tagged releases or mirror on gopkg.in:

go get -u gopkg.in/fardog/secureoperator.v4

Caching

secureoperator does not perform any caching; each request to it causes a matching request to the upstream DNS-over-HTTPS server to be made. It's recommended that you place secureoperator behind a caching DNS server such as dnsmasq on your local network.

An simple example setup is described on the wiki. Please feel free to contribute additional setups if you are running secureoperator in your environment.

Security

Note that while DNS requests are made over HTTPS, this does not imply "secure"; consider the following:

Information on the usage of these options is available with secure-operator --help.

Help Wanted

secureoperator could be greatly enhanced by community contributions! The following areas could use work:

Known Issues

Cloudflare is not fully tested yet; it should work for common cases, however:

For a production environment, the Google provider (default) is your best option today. If you're brave, please test Cloudflare and report any issues!

Acknowledgments

This owes heavily to the following work:

License

   Copyright 2018 Nathan Wittstock

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0