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MINOR: doc: note how JDK-8136913 can affect client SASL #13071

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tombentley merged 2 commits into from
Jan 6, 2023
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MINOR: doc: note how JDK-8136913 can affect client SASL #13071

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MINOR: doc: note how JDK-8136913 can affect client SASL
tombentley Jan 4, 2023
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Incorporate suggestion form Mickael
tombentley Jan 4, 2023
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8 changes: 7 additions & 1 deletion docs/security.html
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Expand Up @@ -677,7 +677,13 @@ <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: When establishing connections to brokers via SASL, clients may perform a reverse
DNS lookup of the broker address. Due to how the JRE implements reverse
DNS lookups, clients may observe slow SASL handshakes if fully qualified domain
names are not used, for both the client's <code>bootstrap.servers</code> and a broker's
<code><a href="#brokerconfigs_advertised.listeners">advertised.listeners</a></code>.</p></li>
</ol>
</li>
<li><h4><a id="security_sasl_kerberos" href="#security_sasl_kerberos">Authentication using SASL/Kerberos</a></h4>
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