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Editorial Team
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Asked: 2026-05-11T21:23:41+00:00

I am having a strange problem with Internet Explorer not accepting my cookies. This

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I am having a strange problem with Internet Explorer not accepting my cookies. This is the cookie:

set-cookie: USUSERNAME=LrceSVu6mUJ9Ztmvp4oKSQ%3D%3D; version="1"; expires=Mon, 15-Jun-2009 11:42:21 GMT; path=/; domain=.us.is

It does not get stored for the domain dev-intranet.us.is or any other us.is domain. However setting the domain of the cookie to my dev machines ip address works perfectly:

set-cookie: USUSERNAME=LrceSVu6mUJ9Ztmvp4oKSQ%3D%3D; version="1"; expires=Mon, 15-Jun-2009 08:41:58 GMT; path=/; domain=192.168.34.104

Everything works as expecten in Firefox, Opera, Safari and Chrome but not IE7

Any ideas whats going on here?

Btw. using WebObjects WOCookie to create the cookie.

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1 Answer

  1. Editorial Team

    The cookie in your example is for the “us.is” domain. IE ignores cookies set for two-letter domains. To be more exact, it seems to ignore cookies from domains with less than 5 characters (like yours: 2+2).

    I remember this bug/feature from IE6 I believe, possibly earlier versions. Reading this, it looks like the behavior is still around in IE7.

    An MSKB article suggesting an unpractical workaround can be found here: http://support.microsoft.com/kb/310676.

    More practical is perhaps to get a longer domain name 😉 or to make sure users are always redirected to one canonical name, i.e. “www.us.is” and plant your cookies there.

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