No , it doesn't limit on OLS by itself, you will need to have something like CloudLinux LVE manager, though there is a feature in LSWS to limit it without CL.
what exactly do you want to do ? if you just want to white list some IPs, you can direct…
I tested that random generator several dozens times and never failed me.
Please try if you can reproduce it:
in a clean system
yum install curl wget -y
curl --silent -o cyberpanel.sh https://cyberpanel.sh/?dl 2>/dev…
I just tested.
I enabled in SSL listener , since I only added one site in there , max-age to 43200 seconds (12 hours) and URL same as you , tested out.
Did you change anything in /usr/local/lsws/ folder ? the error says permission issue