ipset support | firewalld
https://firewalld.org/2015/12/ipset-support01.12.2015 · firewall-cmd --add-rich-rule='rule source ipset=blacklist drop' To create the ipset blacklist6 for IPv6: firewall-cmd --permanent --new-ipset=blacklist6 --type=hash:ip --option=family=inet6 The option family needs to be set to inet6 to make sure that the ipset is using IPv6 addresses. Reload to make the ipset usable in runtime environment: