yast2-firewall from YaST:SLE-12:SP1 project
Select Your Operating System
Add repository and install manually
For SLE 12 SP1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/YaST:SLE-12:SP1/SLE_12_SP1/YaST:SLE-12:SP1.repo zypper refresh zypper install yast2-firewall