raboof commented on code in PR #4006:
URL: https://github.com/apache/logging-log4j2/pull/4006#discussion_r2630017973


##########
src/site/antora/modules/ROOT/partials/manual/trust-store-guideline.adoc:
##########
@@ -0,0 +1,24 @@
+////
+    Licensed to the Apache Software Foundation (ASF) under one or more
+    contributor license agreements.  See the NOTICE file distributed with
+    this work for additional information regarding copyright ownership.
+    The ASF licenses this file to You under the Apache License, Version 2.0
+    (the "License"); you may not use this file except in compliance with
+    the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+////
+
+[IMPORTANT]
+====
+Log4j Core typically does not communicate with external organizations; 
therefore, the default trust store provided by the Java Runtime Environment is 
often not appropriate.
+
+When configuring a trust store for Log4j Core, follow established best 
practices. For example,
+https://csrc.nist.gov/pubs/sp/800/52/r2/final[NIST SP 800-52 Rev. 2] (ยง4.5.2) 
recommends using a trust store that contains only the CA certificates required 
for the intended communication scope, such as a private or enterprise CA. This 
reduces exposure to unintended or compromised CA certificates included in the 
default trust store.

Review Comment:
   Very helpful!



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