{
    "randomSeed": 20,
    "port": 8888,
    "captchaExpiryTimeLimit": 5,
    "threadDelay": 2,
    "throttle": 10,
    "captchas":[
        {
            "name": "FilterChallenge",
            "allowedLevels":["medium", "hard"],
            "allowedMedia":["image/png"],
            "allowedInputType":["text"],
            "config":{}
        },
        {
            "name": "GifCaptcha",
            "allowedLevels":["hard"],
            "allowedMedia":["image/gif"],
            "allowedInputType":["text"],
            "config":{}
        },
        {
            "name": "ShadowTextCaptcha",
            "allowedLevels":["easy"],
            "allowedMedia":["image/png"],
            "allowedInputType":["text"],
            "config": {}
        },
        {
            "name": "RainDropsCaptcha",
            "allowedLevels":["easy","medium"],
            "allowedMedia":["image/gif"],
            "allowedInputType":["text"],
            "config":{}
        }
    ]
}