Linux vacca.o2switch.net 4.18.0-553.123.2.lve.el8.x86_64 #1 SMP Thu May 7 23:17:13 UTC 2026 x86_64

//lib/firewalld/zones/block.xml

 <?xml version="1.0" encoding="utf-8"?>
<zone target="%%REJECT%%">
  <short>Block</short>
  <description>Unsolicited incoming network packets are rejected. Incoming packets that are related to outgoing network connections are accepted. Outgoing network connections are allowed.</description>
</zone>