域名后面加“ . ”和不加的区别? - V2EX
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smxmxf

域名后面加“ . ”和不加的区别?

  •  
  •   smxmxf Aug 24, 2018 10309 views
    This topic created in 2806 days ago, the information mentioned may be changed or developed.

    之前论坛的兄弟说可以清楚 cookie 之类的,我今天发现一个域名,不加点之后,显示的是该网站暂时无法访问,一般这种情况是因为备案与服务器不匹配的问题,不知道这种情况能否是因为加不加点的原因?

    10 replies    2018-08-27 00:00:40 +08:00
    thedrwu
        1
    thedrwu  
       Aug 24, 2018 via Android
    有一次上 ieeexplore.ieee.org.,后面加了一个.,网页正常显示,然而怎么都不能打开订阅的文章。试了各种办法,检查 cookie 的时候偶然间意识到域名后面多了一个.。删了之后正常了。
    xupefei
        2
    xupefei  
       Aug 24, 2018   1
    DNS 解析中,FQDN 最后有一个点。这个点代表了所有顶级域名的父节点。

    加点不加点导致的差别是浏览器的问题。看浏览器在匹配 cookie 的时候有没有考虑到这个点。
    Niphor
        3
    Niphor  
       Aug 24, 2018
    只要不是买 停产的
    Niphor
        4
    Niphor  
       Aug 24, 2018
    回复错帖子了
    smxmxf
        5
    smxmxf  
    OP
       Aug 25, 2018
    @thedrwu 加“ . ”和不加,应该是有一部分原因是域名后缀的问题, .com 和.cn 都没问题的
    smxmxf
        6
    smxmxf  
    OP
       Aug 25, 2018
    @Niphor 人才啊,大佬!
    Kinnice
        7
    Kinnice  
       Aug 25, 2018 via Android
    但是加点可以跳过备案 @_@
    smxmxf
        8
    smxmxf  
    OP
       Aug 26, 2018
    @Kinnice 加点虽然能过阿里云服务器,但是页面代码显示不正常,不知道该怎么处理?
    Kinnice
        9
    Kinnice  
       Aug 26, 2018 via Android
    @smxmxf 页面代码里面改成绝对路径,或者也加上.
    smxmxf
        10
    smxmxf  
    OP
       Aug 27, 2018
    @Kinnice 我试试!
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