[support] Login issues

[Daniel Carrera]

No, it's happened several times among several pairs of students. But 
that's in a computer lab, so my first guess was/is that the previous 
user hadn't logged out.

sander-martijn wrote:
> If this is only one user having the problem, another possibility is that 
> Bob wrote down his password somewhere and Alice saw it.  Bob should 
> change his password (and not write it down) and see if the problem 
> disappears.
> 
> Daniel Carrera wrote:
>> Hello,
>>
>> I have a Drupal 4.7 website (I think it's 4.7) and some of my users are 
>> experiencing login problems. "Alice" will log in and end up inside 
>> "Bob"'s account. Alice can see Bob's account details, edit his blog, 
>> etc. Alice is 100% logged in as Bob.
>>
>> Alice and Bob are in the same building, probably behind a firewall.
>>
>> Does anyone know what could cause this problem? My first guess is that 
>> they are using a shared computer and Bob forgot to log out, but I'm not 
>> sure that this is true (btw, this is a school, Alice is a student and 
>> Bob a teacher, and Bob is not happy that his students can use his account).
>>
>> How does Drupal store login information? Does it use a cookie? Or does 
>> it use the IP address? I have every reason to believe that Alice and Bob 
>> would show up as the same IP, so I hope that's not what Drupal uses. If 
>> Drupal only uses cookies, then that means that Bob didn't log out, 
>> right? Or is there another possibility?
>>
>> Thanks for the help.
>>
>> Cheers,
>> Daniel.