如何为其他网域设置Cookie [英] How to set a cookie for another domain

问题描述

假设我有一个名为 a.com 的网站，当网站的特定网页载入时，表示网页连结，我想为其他网站设定Cookie调用 b.com ，然后将用户重定向到 b.com 。

Say I have a website called a.com, and when a specific page of this site is loaded, say page link, I like to set a cookie for another site called b.com, then redirect the user to b.com.

我的意思是，在加载 a.com/link 时，我要设置 b.com 并将用户重定向到 b.com 。

I mean, on load of a.com/link I want to set a cookie for b.com and redirect user to b.com.

我测试了它，浏览器实际上收到了 a.com/link 的cookie，但它没有将重定向请求上的cookie发送到 b.com 。是否正常？

I tested it, and browser actually received the cookie from a.com/link, but it didn't send that cookie on the redirection request to b.com. Is it normal?

我们可以为其他域设置Cookie吗？

Can we set cookies for other domains?

推荐答案

p>您无法为其他网域设置Cookie。允许这将带来巨大的安全缺陷。

You cannot set cookies for another domain. Allowing this would present an enormous security flaw.

您需要获取b.com来设置cookie。如果a.com将用户重定向到 b.com/setcookie.php?c=value

You need to get b.com to set the cookie. If a.com redirect the user to b.com/setcookie.php?c=value

setcookie脚本可以包含以下内容来设置Cookie并重定向到b.com上的正确页面

The setcookie script could contain the following to set the cookie and redirect to the correct page on b.com

<?php
    setcookie('a', $_GET['c']);
    header("Location: b.com/landingpage.php");
?>

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