[TYPO3-dev] Cannot log in to backend on first attempt

[dl4gbe at gmail.com]

Hallo,

I personally think that the not to be able to log onto the backend is the 
biggest problem in typo3. I have this problem so many times on different 
systems that I get angry thinking about it. I hate typo3 becouse of the 
backend login problem!


----- Original Message ----- 
From: "Ricardo Pereira" <ricardo at tdwg.org>
Newsgroups: typo3.dev
To: <typo3-dev at lists.netfielders.de>
Sent: Friday, July 06, 2007 10:18 PM
Subject: Re: [TYPO3-dev] Cannot log in to backend on first attempt


> Dear Steffen,
>
> Thanks so very much for your reply.
>
> That's a good lead, but could you please be just a little bit more
> specific? What was wrong with cookie handling in your case?
>
> Thanks a million once again!!
>
> Cheers,
>
> Ricardo
>
>
> Steffen Kamper wrote:
>> Hi,
>>
>> i had same Problem on a server sometimes ago. The problem was wrong
>> Cookie-Handling, this affected Sessionhandling as well.
>>
>> vg  Steffen
>>
>> "Ricardo Pereira" <ricardo at tdwg.org> schrieb im Newsbeitrag
>> news:mailman.2624.1183678288.29892.typo3-dev at lists.netfielders.de...
>>>    Hi all,
>>>
>>>    I've set up Typo3 4.1.1 on SourceForge and for some strange reason I
>>> can never log in to the backend on the first attempt. It always fails.
>>> After the first attempt I can get in if I try it again right away, but
>>> sometimes it takes 3 or 4 attempts.
>>>
>>>    I tried to trace the code all the way to line 1065 of file
>>> t3lib/class.t3lib_userauth.php, which I copy below:
>>>
>>> if ($this->challengeStoredInCookie)    {
>>>    session_start();
>>>    if ($_SESSION['login_challenge'] !== $loginData['chalvalue']) {   //
>>> <======================== THIS IS THE LINE I'M REFERRING TO!!
>>>
>>>        if ($this->writeDevLog)     t3lib_div::devLog('PHP Session stored
>>> challenge "'.$_SESSION['login_challenge'].'" and submitted challenge
>>> "'.$loginData['chalvalue'].'" did not match, so authentication failed!',
>>> 't3lib_userAuth', 2);
>>>        $this->logoff();
>>>        return FALSE;
>>>    }
>>> }
>>>
>>>    Sometimes, the $_SESSION variable is empty when the login is taking
>>> place and thus the test above fails.
>>>
>>>    The very same setup works fine on my workstation, so I assume there 
>>> is
>>> something in SF that is preventing the session variable from being set
>>> correctly. What is odd is that it works after the first attempt, but I
>>> don't know why.
>>>
>>>    I would greatly appreciate if anyone could shed a light on this 
>>> obscure
>>> problem I'm having.
>>>
>>>    Cheers,
>>>
>>> Ricardo
>>>
>>>
>>>
>>
>>
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