CSF not blocking IPs

[seco]

Hi
I've tried many ModSec attacks (SQL injections) on my server to see if the IP will be blocked but noting blocked.
I saw apache log, it contains all the attempts from my IP.
csf.conf contains:

LF_MODSEC_PERM=1
LF_MODSEC=1

How to block the attacking IP?
Thanks in advance.

[Zorg3400]

I also find this issue occurring for modsec and maybe more.
CENTOS 7.4
cPanel v68.0.23

Modsec has log but no action taken by csf