selenium_node.json

{
    "capabilities": [
        {
            "browserName": "opera",
            "version": "12",
            "maxInstances": 1,
            "seleniumProtocol": "WebDriver"
        },
        {
            "browserName": "firefox",
            "version": "20",
            "maxInstances": 3,
            "seleniumProtocol": "WebDriver"
        },
        {
            "browserName": "firefox",
            "version": "21",
            "maxInstances": 3,
            "seleniumProtocol": "WebDriver"
        },
        {
            "browserName": "firefox",
            "version": "22",
            "maxInstances": 3,
            "seleniumProtocol": "WebDriver"
        },
        {
            "browserName": "firefox",
            "version": "23",
            "maxInstances": 3,
            "seleniumProtocol": "WebDriver"
        },
        {
            "browserName": "chrome",
            "version": "38",
            "maxInstances": 1,
            "seleniumProtocol": "WebDriver"
        }
    ],
    "configuration": {
        "proxy": "org.openqa.grid.selenium.proxy.DefaultRemoteProxy",
        "maxSession": 2,
        "port": 5555,
        "register": true,
        "registerCycle": 5000,
        "hubPort": 4444,
        "hubHost": "127.0.0.1"
    }
}