"application/vnd.3gpp.pic-bw-var",
				"application/vnd.3gpp.sms",
				"application/vnd.3gpp2.bcmcsinfo+xml",
				"application/vnd.3gpp2.sms",
				"application/vnd.3gpp2.tcap",
				"application/vnd.3m.post-it-notes",
				"application/vnd.accpac.simply.aso",
				"application/vnd.accpac.simply.imp",
				"application/vnd.acucobol",
				"application/vnd.acucorp",
				"application/vnd.adobe.air-application-installer-package+zip",

    protected int connectionCheckInterval = 5; // sec

    /** Idle connection timeout in milliseconds */
    protected long idleConnectionTimeout = 60 * 1000L; // 1min

    /** Pattern for matching HTTP redirect status codes */
    protected Pattern redirectHttpStatusPattern = Pattern.compile("[3][0-9][0-9]");

    /** Whether to use robots.txt disallow rules */
    protected boolean useRobotsTxtDisallows = true;