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4ebb9621f4
This reverts commit 5dc2853981
.
The project has a new maintainer.
70 lines
1.8 KiB
XML
70 lines
1.8 KiB
XML
<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-dnscrypt-proxy">
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<title>DNSCrypt client proxy</title>
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<para>
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The DNSCrypt client proxy relays DNS queries to a DNSCrypt enabled
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upstream resolver. The traffic between the client and the upstream
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resolver is encrypted and authenticated, mitigating the risk of MITM
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attacks, DNS poisoning attacks, and third-party snooping (assuming the
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upstream is trustworthy).
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</para>
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<sect1><title>Basic configuration</title>
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<para>
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To enable the client proxy, set
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<programlisting>
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services.dnscrypt-proxy.enable = true;
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</programlisting>
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</para>
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<para>
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Enabling the client proxy does not alter the system nameserver; to
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relay local queries, prepend <literal>127.0.0.1</literal> to
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<option>networking.nameservers</option>.
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</para>
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</sect1>
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<sect1><title>As a forwarder for another DNS client</title>
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<para>
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To run the DNSCrypt proxy client as a forwarder for another
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DNS client, change the default proxy listening port to a
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non-standard value and point the other client to it:
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<programlisting>
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services.dnscrypt-proxy.localPort = 43;
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</programlisting>
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</para>
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<sect2><title>dnsmasq</title>
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<para>
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<programlisting>
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{
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services.dnsmasq.enable = true;
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services.dnsmasq.servers = [ "127.0.0.1#43" ];
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}
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</programlisting>
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</para>
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</sect2>
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<sect2><title>unbound</title>
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<para>
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<programlisting>
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{
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services.unbound.enable = true;
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services.unbound.forwardAddresses = [ "127.0.0.1@43" ];
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}
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</programlisting>
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</para>
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</sect2>
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</sect1>
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</chapter>
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