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authorTomas Krizek <tomas.krizek@nic.cz>2019-07-24 11:47:00 +0200
committerTomas Krizek <tomas.krizek@nic.cz>2019-07-24 11:53:21 +0200
commitb148318382e32eb9b62e4dc4d9dc0f0f441e168f (patch)
tree40a0cf63fd37e2e7505dd18032f3f130a0035178 /modules
parentmodules/refuse_nord: add test (diff)
downloadknot-resolver-b148318382e32eb9b62e4dc4d9dc0f0f441e168f.tar.xz
knot-resolver-b148318382e32eb9b62e4dc4d9dc0f0f441e168f.zip
modules/refuse_nord: document usage
Diffstat (limited to 'modules')
-rw-r--r--modules/refuse_nord/README.rst14
-rw-r--r--modules/refuse_nord/test.integr/refuse_nord.rpl1
2 files changed, 15 insertions, 0 deletions
diff --git a/modules/refuse_nord/README.rst b/modules/refuse_nord/README.rst
new file mode 100644
index 00000000..a328beed
--- /dev/null
+++ b/modules/refuse_nord/README.rst
@@ -0,0 +1,14 @@
+.. _mod-refuse_nord:
+
+Refuse queries without RD bit
+-----------------------------
+
+This module ensures all queries without RD (recursion desired) bit set in query
+are answered with REFUSED. This prevents snooping on the resolver's cache content.
+
+The module is loaded by default. If you'd like to disable this behavior, you can
+unload it:
+
+.. code-block:: lua
+
+ modules.unload('refuse_nord')
diff --git a/modules/refuse_nord/test.integr/refuse_nord.rpl b/modules/refuse_nord/test.integr/refuse_nord.rpl
index 6682b6be..216635c2 100644
--- a/modules/refuse_nord/test.integr/refuse_nord.rpl
+++ b/modules/refuse_nord/test.integr/refuse_nord.rpl
@@ -6,6 +6,7 @@ SCENARIO_BEGIN Test refuse queries without RD bit
STEP 10 QUERY
ENTRY_BEGIN
+; RD bit is cleared
SECTION QUESTION
www.example.com IN A
ENTRY_END