Enable packet passwords to be optional, configured by the admin in setup

app/Http/Requests/SystemSessionRequest.php

@@ -27,7 +27,7 @@ class SystemSessionRequest extends FormRequest
 		return [
 			'zone_id' => 'required|exists:zones,id',
 			'sespass' => 'required|string|min:4',
-			'pktpass' => 'required|string|min:4|max:8',
+			'pktpass' => [$this->route('o')->pkt_passwds ? 'required' : 'nullable','string','min:4','max:8'],
 			'ticpass' => 'required|string|min:4',
 			'fixpass' => 'required|string|min:4',
 		];