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-rw-r--r--man/dnssec-trust-anchors.d.xml13
1 files changed, 12 insertions, 1 deletions
diff --git a/man/dnssec-trust-anchors.d.xml b/man/dnssec-trust-anchors.d.xml
index 9a7cf3c881..51271abc16 100644
--- a/man/dnssec-trust-anchors.d.xml
+++ b/man/dnssec-trust-anchors.d.xml
@@ -175,6 +175,16 @@
<para><ulink url="https://tools.ietf.org/html/rfc7646">RFC
7646</ulink> for details on negative trust anchors.</para>
+
+ <para>If no negative trust anchor files are configured a built-in
+ set of well-known private DNS zone domains is used as negative
+ trust anchors.</para>
+
+ <para>It is also possibly to define per-interface negative trust
+ anchors using the <varname>DNSSECNegativeTrustAnchors=</varname>
+ setting in
+ <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ files.</para>
</refsect1>
<refsect1>
@@ -182,7 +192,8 @@
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-resolved.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>resolved.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>resolved.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>
</para>
</refsect1>