Making Cookies Work in IE
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Recently I had a weird problem while using Tomcat - sessions would get lost when using Microsoft's Internet Explorer. |
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Since Tomcat stores the session id as JSESSIONID cookie, the session would get lost when the cookie is not stored. |
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Same behavior occurs with other web servers including IIS and Resin. |
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After further research, it seems that IE does not store cookies at default privacy settings unless a P3P policy is |
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provided for the site. In order to bypass this problem, a basic P3P policy needs to defined and included in the site. |
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I used IBM's P3P editor to generate a basic P3P XML policy file and the following snippet of HTML code to enable it. |
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This is still true as of 2011: [http://blog.toppingdesign.com/2011/11/18/ie-iframe-p3p-cookies-oh-my/] |
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<link rel="P3Pv1" href="http://www.somesite.tld/policyfile.xml" mce_href="http://www.somesite.tld/policyfile.xml"> |
/2004_10_12-ie_cookies.html
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