{
    "security": {
        "firewalls": {
            "main": {
                "form_login": {
                    "login_path": "login",
                    "check_path": "login"
                }
            }
        },
        "blacklist": [
            "192.168.0.110",
            "192.168.0.120",
            "192.168.0.130"
        ]
    }
}