如何配置多域名共享cookie
如题~
php。服务器里要如何配置才能多域名共享一个cookie
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回复内容：
如题~
php。服务器里要如何配置才能多域名共享一个cookie
大家都保持登陆和会话
1、所有子域都可以共享主域的域名；
2、如果是主域不同的话你可以试试p3p协议写入
只能使用.xx.com 可以在 a.xx.com,b.xx.com中使用，否者只能使用js来达到目的，如果浏览器限制了外域的还是不行的
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