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:
- Google - Well tested and configured by default
- Cloudflare (Beta) - May be used by passing the
--cloudflareflag - Quad9 (Beta) - May be used by passing the `--quad9' flag
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.
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.
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
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
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.
Note that while DNS requests are made over HTTPS, this does not imply "secure"; consider the following:
- You must trust the upstream provider with your requests; for your chosen provider, see:
- The lookup for the HTTP endpoint must happen in some regard, although how
this is handled is up to you:
- The system DNS resolver is used to look up the endpoint (default)
- You provide a list of DNS servers to use for the endpoint lookup
- You provide the IP address(es) to the endpoint; and no unencrypted DNS lookup will be performed. However if the addresses change while the service is running, you will need to restart the service to provide new addresses.
Information on the usage of these options is available with
secure-operator --help.
secureoperator could be greatly enhanced by community contributions! The following areas could use work:
- More thorough unit tests
- Installable packages for your favorite Linux distributions
- Documentation on deploying secureoperator to a local network
Cloudflare is not fully tested yet; it should work for common cases, however:
- EDNS is not supported; this is an intentional choice by Cloudflare, which means any EDNS setting you provide when using Cloudflare as a provider will be silently ignored.
For a production environment, the Google provider (default) is your best option today. If you're brave, please test Cloudflare and report any issues!
This owes heavily to the following work:
- https://github.com/miekg/dns
- https://github.com/wrouesnel/dns-over-https-proxy
- https://github.com/StalkR/dns-reverse-proxy
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
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