Postfix supports CIDR tables but it is not required to run postmap command on /etc/postfix/network_table file. CIDR format is just a text format. It is not required to transform it to another format. To

As workaround you can try add into /etc/rc.local firewall-cmd --direct ipv4 -A IN_drop_allow -A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT Because for the zone definition: drop Any incoming network

1.- Connect to your Satellite 6 server via ssh # ssh [email protected] 2.- Execute the hammer cli hammer --username "username of satellite admin account" --password "password"