rec: mention subnets are not allowed (yet) in query-local-address/outgoing.source_address

Fixes #14148

diff --git a/pdns/recursordist/settings/table.py b/pdns/recursordist/settings/table.py
index 9188ac2fc9fd9b72c3806f7c198795a926b530d3..edf985b8a2f9dba050151bb2107829c2920d7977 100644 (file)
--- a/pdns/recursordist/settings/table.py
+++ b/pdns/recursordist/settings/table.py
@@ -2144,6 +2144,10 @@ This value has precedence over :ref:`setting-qname-max-minimize-count`.
         'default' : '0.0.0.0',
         'help' : 'Source IP address for sending queries',
         'doc' : '''
+.. note::
+    While syntactly subnets and their negations are accepted, the handling of subnets has not been implemented yet.
+    Only individual IP addresses can be listed.
+
 Send out local queries from this address, or addresses. By adding multiple
 addresses, increased spoofing resilience is achieved. When no address of a certain
 address family is configured, there are *no* queries sent with that address family.