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<header><h1>Cluster Security</h1></header>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="user-security">User Security<a href="#user-security" class="hash-link" aria-label="Direct link to User Security" title="Direct link to User Security" translate="no"></a></h2>
<p>By default, all users can perform any updates on the cluster, or <a class="" href="/docs/ignite3/3.0.0/developers-guide/code-deployment">upload arbitrary code to the cluster</a> and perform remote code execution with <a class="" href="/docs/ignite3/3.0.0/developers-guide/compute">distributed computing</a>. To improve security, we recommend configuring <a class="" href="/docs/ignite3/3.0.0/administrators-guide/security/authentication">user roles</a> and enabling authorization on the cluster.</p>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="communication">Communication<a href="#communication" class="hash-link" aria-label="Direct link to Communication" title="Direct link to Communication" translate="no"></a></h2>
<p>By default, nodes use plain-text communication that is vulnerable to malicious actions. Ignite 3 separates communications between cluster nodes and communication with clients.</p>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="node-to-node-communication">Node to Node Communication<a href="#node-to-node-communication" class="hash-link" aria-label="Direct link to Node to Node Communication" title="Direct link to Node to Node Communication" translate="no"></a></h2>
<p>Communication between nodes usually happens within the same data center. We recommend the following to improve the security of your cluster:</p>
<ul>
<li class="">Enable SSL for cluster communication with the <code>ignite.network.ssl</code> <a class="" href="/docs/ignite3/3.0.0/administrators-guide/config/node-config#network-configuration">node configuration</a>.</li>
<li class="">Run the cluster in a trusted and isolated network.</li>
</ul>
<h2 class="anchor anchorTargetStickyNavbar_Vzrq" id="node-to-client-communication">Node to Client Communication<a href="#node-to-client-communication" class="hash-link" aria-label="Direct link to Node to Client Communication" title="Direct link to Node to Client Communication" translate="no"></a></h2>
<p>Client to server communication may be over internet or otherwise untrusted network. Only the client port (10800 by default) is typically exposed outside of the cluster. To securely interact with your clients:</p>
<ul>
<li class="">Enable SSL for client communication with the <code>ignite.clientConnector.ssl</code> <a class="" href="/docs/ignite3/3.0.0/administrators-guide/config/node-config">node configuration</a>.</li>
<li class="">Enable <a class="" href="/docs/ignite3/3.0.0/administrators-guide/security/authentication">authentication</a> on the cluster.</li>
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