Recurring Server Overload from PHP Processes Targeting Arabic Subdomain

[Mario]

Hello,
I’m experiencing a recurring server overload problem. About once a week, my server gets flooded with PHP (lsphp) processes—always running /public_html/dpc-costadelsol.com/index.php, specifically targeting the ar (Arabic) subdomain. This overwhelms my server and causes it to crash (see screenshot).

I have BulletProof Security Pro active with your recommended .htaccess firewall rules, along with some custom IP whitelisting/blacklisting.
Can you help me fix this? I would appreciate any advice or configuration changes to prevent these overload events.
Thank you

[Mario]

Thank you for your reply.
In my previous message, I did not indicate or observe that BulletProof Security is currently blocking anything. My main concern is about frequent spikes in lsphp processes on my server, which are causing overload and downtime.
I am looking for guidance on how BulletProof Security can help me block or mitigate these excessive lsphp processes that run /public_html/dpc-costadelsol.com/index.php, especially targeting the Arabic subdomain.

Thankl you

[AITpro Admin]

A recurring LiteSpeed server overload, usually indicated by high CPU usage or frequent 503 errors, is most often caused by inefficient PHP or database operations rather than the LiteSpeed web server itself.

Do you have the LiteSpeed Cache plugin installed > https://wordpress.org/plugins/litespeed-cache/. You should configure the QUIC.cloud CDN Cache feature in LiteSpeed Cache.

What version of PHP are you running? You should be running at least PHP server version 8.1. You can change that in your web host control panel.

Your PHP memory should be at least 256K. You can change that in your web host control panel.

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