10.0.0.0/8, 127.0.0.0/8, 100.64.0.0/10, 172.16.0.0/12, 192.168.0.0/16 * * * * * Block private networks from WAN
It's a cosmetic glitch in 23.7.9 that has been fixed on newer version.See this https://forum.opnsense.org/index.php?topic=37420.0