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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2020-10-11 12:55:10 +0200
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2020-10-20 19:58:37 +0200
commit2c91906e25ab0a4caa30f0bfaa1bdff6994cb9d9 (patch)
treeb77c237fee7113aa47b6608982b8ebbca7fad2e7 /man/dnssec-trust-anchors.d.xml
parent7c5023037815228280dcf461bf9b9f2b3575f600 (diff)
downloadsystemd-2c91906e25ab0a4caa30f0bfaa1bdff6994cb9d9.tar.gz
man: add example of negative trust anchor file
Fixes #17226.
Diffstat (limited to 'man/dnssec-trust-anchors.d.xml')
-rw-r--r--man/dnssec-trust-anchors.d.xml12
1 files changed, 11 insertions, 1 deletions
diff --git a/man/dnssec-trust-anchors.d.xml b/man/dnssec-trust-anchors.d.xml
index 8b6394e927..f14ebbce7c 100644
--- a/man/dnssec-trust-anchors.d.xml
+++ b/man/dnssec-trust-anchors.d.xml
@@ -138,7 +138,17 @@
and follow the same overriding rules. They are text files with the
<filename>.negative</filename> suffix. Empty lines and lines whose first character is
<literal>;</literal> are ignored. Each line specifies one domain name which is the root of a DNS
- subtree where validation shall be disabled.</para>
+ subtree where validation shall be disabled. For example:</para>
+
+ <programlisting># Reverse IPv4 mappings
+10.in-addr.arpa
+16.172.in-addr.arpa
+168.192.in-addr.arpa
+...
+# Some custom domains
+prod
+stag
+</programlisting>
<para>Negative trust anchors are useful to support private DNS
subtrees that are not referenced from the Internet DNS hierarchy,