Expose (a PHPIDS fork) middleware for Laravel. Assumes it's already included via composer.

Security.php

<?php namespace App\Http\Middleware;

use Closure;
use Monolog\Logger;
use Monolog\Handler\StreamHandler;
use Log;

class Security {

	/**
	 * Handle an incoming request.
	 *
	 * @param  \Illuminate\Http\Request  $request
	 * @param  \Closure  $next
	 * @return mixed
	 */
	public function handle($request, Closure $next)
	{
		// Headers
		// XSS Protection
		header("X-XSS-Protection: 1; mode=block");
		// Mask PHP
		header("X-Powered-By: None-Of-Your-Business");
		header("Server: A-Web-Server/-1.0");
		// Simple IDS
		$filters = new \Expose\FilterCollection();
		$filters->load();
		// create a log channel
		$monolog = Log::getMonolog();
		$manager = new \Expose\Manager($filters, $monolog);
		if (! empty($_POST)) {
			$manager->run($_POST);
			$post = True;
		}
		if ($manager->getImpact() > 7 && $post == True) {
			abort(403, "A security issue was identified with your request, and it was terminated.");
		}
		return $next($request);
	}

}