[英]I'm trying to pass HTTP_X_FORWARDED_FOR in header to php server but not getting its value in server
我在第一台服務器上設置以下php腳本以打印所有服務器值
var_dump($_SERVER)
從另一個服務器調用第一個服務器鏈接
$curl = curl_init();
curl_setopt_array($curl, array(
CURLOPT_URL => FIRST_SERVER_URL,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => array(
"HTTP_X_FORWARDED_FOR: 111.90.148.19",
),
));
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}
但是我沒有在$ _SERVER值中得到HTTP_X_FORWARDED_FOR的值
我試過這樣的javascript。
var data = null;
var xhr = new XMLHttpRequest();
xhr.withCredentials = true;
xhr.addEventListener("readystatechange", function () {
if (this.readyState === 4) {
console.log(this.responseText);
}
});
xhr.open("GET", FIRST_SERVER_URL);
xhr.setRequestHeader("HTTP_X_FORWARDED_FOR", "111.90.148.19");
xhr.send(data);
您應該根據HTTP規則在JS中設置標頭名稱,而不是PHP內部名稱。 標頭名稱實際上是:
X-Forwarded-For
因此,您的JS代碼應如下所示:
...
xhr.setRequestHeader("X-Forwarded-For", "111.90.148.19");
...
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