dcrumbs__link" itemprop="name">RHEL, Rocky Linux, and CentOS</span><meta itemprop="position" content="2"></li></ul></nav><div class="theme-doc-markdown markdown"><h1>RHEL, Rocky Linux, and CentOS</h1>
<p>To verify whether a firewall is running, use the command:</p>
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#393A34;--prism-background-color:#f6f8fa"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"