central.json

{
    "dnsServers": ["1.1.1.1", "8.8.8.8"],
    "checkServerServices": [
        {
            "url": "https://ports.yougetsignal.com/check-port.php",
            "headers": {"content-type": "application/x-www-form-urlencoded"},
            "method": "post",
            "body": "remoteAddress=$IP&portNumber=$PORT",
            "regexpFailure": "is closed",
            "regexpSuccess": "is open"
        },
        {
            "url": "https://canyouseeme.org",
            "headers": {"content-type": "application/x-www-form-urlencoded"},
            "method": "post",
            "body": "port=$PORT",
            "regexpFailure": "Error:",
            "regexpSuccess": "Success:"
        },
        {
            "url": "http://ifconfig.co/port/$PORT?ip=$IP",
            "regexpFailure": "reachable\": false",
            "regexpSuccess": "reachable\": true"
        }
    ],
    "selfCheckServices_disabled": [
        {
            "url": "https://rejetto-check_hfs.web.val.run?url=$URL",
            "regexpFailure": "false",
            "regexpSuccess": "true"
        },
        {
            "url": "https://byhmniehcu2jzoeododjam6i5a0yszsf.lambda-url.eu-central-1.on.aws/?url=$URL",
            "regexpFailure": "false",
            "regexpSuccess": "true"
        }
    ],
    "selfCheckServices": [
        {
            "url": "http://hfstest.rejetto.com/v3?url=$URL",
            "regexpFailure": "\"error\"",
            "regexpSuccess": "\"good\""
        }
    ],
    "publicIpServices": [
        "http://ipv4.icanhazip.com",
        { "v": 6, "type": "http", "url": "http://ipv6.icanhazip.com" },
        {
            "v": 4, "type": "dns",
            "ips": ["208.67.222.222", "208.67.220.220"],
            "name": "myip.opendns.com", "dnsRecord": "A"
        },
        {
            "v": 4, "type": "dns",
            "ips": ["216.239.32.10", "216.239.34.10", "216.239.36.10", "216.239.38.10"],
            "name": "o-o.myaddr.l.google.com", "dnsRecord": "TXT"
        },
        {
            "v": 6, "type": "dns",
            "ips": ["2620:0:ccc::2", "2620:0:ccd::2"],
            "name": "myip.opendns.com", "dnsRecord": "AAAA"
        },
        {
            "v": 6, "type": "dns",
            "ips": ["2001:4860:4802:32::a", "2001:4860:4802:34::a", "2001:4860:4802:36::a", "2001:4860:4802:38::a"],
            "name": "o-o.myaddr.l.google.com", "dnsRecord": "TXT"
        }
    ]
}