true, 'samesite' => 'Strict', 'secure' => !empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off', 'use_strict_mode' => true, ]); session_start(); $_SESSION['registration_csrf'] ??= bin2hex(random_bytes(32)); header('Cache-Control: no-store'); header('X-Content-Type-Options: nosniff'); header('X-Frame-Options: DENY'); header('Referrer-Policy: no-referrer'); header('Permissions-Policy: camera=(), microphone=(), geolocation=()'); header("Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; base-uri 'self'; form-action 'self'; frame-ancestors 'none'"); ?> Gastregistrierung

Gastregistrierung