typo3-security

Installation
SKILL.md

TYPO3 Security Hardening

Compatibility: TYPO3 v13.x and v14.x (v14 preferred) All security configurations in this skill work on both v13 and v14.

1. Critical Configuration Settings

config/system/settings.php (v13/v14 Compatible)

<?php
return [
    'BE' => [
        // Disable debug in production
        'debug' => false,
        
        // Session security
        'lockIP' => 4,                    // Lock backend session to full IP
        'lockIPv6' => 8,                  // Lock to IPv6 prefix
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Apr 12, 2026