[GitHub] [kafka] tombentley commented on a diff in pull request #13071: MINOR: doc: note how JDK-8136913 can affect client SASL

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tombentley commented on code in PR #13071:
URL: https://github.com/apache/kafka/pull/13071#discussion_r1061629778


##########
docs/security.html:
##########
@@ -677,7 +677,11 @@ <h3 class="anchor-heading"><a id="security_sasl" class="anchor-link"></a><a href
                     <p>To configure SASL authentication on the clients, select a SASL
                         <a href="#security_sasl_mechanism">mechanism</a> that is enabled in
                         the broker for client authentication and follow the steps to configure SASL
-                        for the selected mechanism.</p></li>
+                        for the selected mechanism.</p>
+
+                    <p>Note: Due to how the JRE implements reverse DNS lookups, clients may observe 
+                        slow SASL handshakes if fully qualified domain names are not used when configuring a broker's

Review Comment:
   Thanks, I reworded it slightly. Let me know what you think.



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