[horde] Internet Explorer privacy setting issues

[Michael M Slusarz]

Quoting "Daniel A. Ramaley" <daniel.ramaley at DRAKE.EDU>:

> On Thursday 28 September 2006 11:02, Daniel A. Ramaley wrote:
>> I have a Red Hat Linux webmail server (Apache 2.0.52, PHP 4.3.9) with
>> the latest released versions of Horde, Imp, Ingo, Kronolith, Passwd,
>> and Turba. In the last few weeks a number of problems have been
>> brought to my attention that are related to users of Internet
>> Explorer having difficulty sending messages with Imp. When the users
>> compose a message and hit send they either get a blank white page or
>> they are returned to a new message composition page (everything they
>> typed is gone). In either case the message is not actually sent.
>>
>> Through testing we have determined that the problem depends on IE's
>> privacy settings. It seems that if the privacy settings are at
>> "Medium" or lower that everything works. But if set to "Medium High"
>> or above, Horde has problems. That setting controls how the browser
>> handles cookies. Has anyone else noticed this problem? If so, is
>> there a solution besides telling our users to modify their browser
>> settings?
>
> I managed to find a solution to the problem, and am documenting it here
> for the archives. I needed to define a privacy policy on the server and
> configure Apache to add an extra http header describing a short version
> of the policy. For more details on how to do this, i suggest searching
> for "P3P".
>
> I found these sites helpful in reading about P3P:
>
> http://www.w3.org/TR/p3pdeployment
> http://www.awardsites.com/tutorials/w3c/p3p_privacy-01.htm
> http://www.w3.org/P3P/
> http://www.sitepoint.com/article/p3p-cookies-ie6/2
> http://www.p3pwriter.com/LRN_111.asp
> http://p3ptoolbox.org/guide/section2.shtml#I

This seems like real worthwhile information to put up on wiki.horde.org

michael

___________________________________
Michael Slusarz [slusarz at horde.org]