Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/security:netfilter/openSUSE_Tumbleweed/security:netfilter.repo
zypper refresh
zypper install firewalld
Para openSUSE Factory PowerPC execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/security:netfilter/openSUSE_Factory_PowerPC/security:netfilter.repo
zypper refresh
zypper install firewalld
Para openSUSE Factory ARM execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/security:netfilter/openSUSE_Factory_ARM/security:netfilter.repo
zypper refresh
zypper install firewalld