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Why is "www.example.com” not the same as "example.com”?

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By User


I have a website. If I login in the domain of this format http://example.com and then change my address to http://www.example.com , i find my account is not logged in. If I change the address to http://example.com , I find my account is logged in.



I contacted my host, they told me its a programming issue.



How can i solve this issue so both addresses represent same access/session/cookies?



I'm using PHP & MySQL


Source: Tips4all, CCNA FINAL EXAM
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Comments

  1. UserMay 11, 2012 at 4:41 AM

    How can i solve this issue so both addresses represent same
    access/session/cookies?


    You have to set the domain path of your cookie like this to make it available on all subdomains: (www is a subdomain):

    .domain.com

    ReplyDelete
  2. UserMay 11, 2012 at 4:41 AM

    It is not same..
    usually you can go to www.example.com just with writing example.com to your browser, but your browser added www to your url..
    so basicly it is not same

    ReplyDelete

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