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<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Flib%2F'>lib</a>/<a href='?path=%2Flib%2Ffirewalld%2F'>firewalld</a>/<a href='?path=%2Flib%2Ffirewalld%2Ficmptypes%2F'>icmptypes</a>/</p><hr><h3>✏️ Editing: unknown-option.xml</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>&lt;?xml version=&quot;1.0&quot; encoding=&quot;utf-8&quot;?&gt;
&lt;icmptype&gt;
  &lt;short&gt;Unknown Option&lt;/short&gt;
  &lt;description&gt;This error message is sent if an unrecognized IPv6 option encountered.&lt;/description&gt;
  &lt;destination ipv4=&quot;no&quot;/&gt;
  &lt;destination ipv6=&quot;yes&quot;/&gt;
&lt;/icmptype&gt;
</textarea><br>  
            <input type='submit' value='Save'>  
        </form>  
        <p><a href='?path=%2Flib%2Ffirewalld%2Ficmptypes'>🔙 Back</a></p>