How to create blacklist for cluster/host?

[EtherSecAgent]

Im trying to create a blacklist of IPs for my cluster, for testing Im trying to block the ip that starts with 104?

https://cdn.discordapp.com/attachments/226163427779936256/280440943772172309/Capture.PNG
https://cdn.discordapp.com/attachments/226163427779936256/280441260068569108/Capture.PNG

 

[EtherSecAgent]

Im confused on why the ip isnt being block even thought ive selected the ipsets in GUI firewall ?