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