You are probably reposting your username and password to logon.do.  Essentially 
logging on twice.



> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, January 14, 2003 9:27 AM
> To: [EMAIL PROTECTED]
> Subject: Problem: Login with Struts; Security Bug?
> 
> 
> Hi,
> I'm  using Struts 1.0.2  and experienced a unwanted behavior.
> I tested it with the struts-example coming with the binaries 
> and it's the
> same.
> I'll explain it with the example so you can test it for yourself.
> 
> 1.  Ok, first you need a registered user. If you haven't 
> registered one do
> so.
> 2. Enter http://localhost:8080/struts-example/index.jsp into 
> your browser.
> (whatever portnumber)
> 3. Click "Log on to the MailReader Demonstration Application"
> 4. Enter username and password. Click Login.
> 5. Click"Log off MailReader Demonstration Application"
> 6. Click "Back" in your Browser
> 7. Click "Edit your user registration profile"
>     -> you are  redirected to the login site. OK! You logged 
> off, thats the
> way it should be.
> 8. Click "Back" in your browser as many times as you need to 
> get back to the
> main Menu
>     You should be here:
>    
> "http://localhost:8080/struts-example/logon.do;jsessionid=ssf0t8t181";
> (whatever sessionid)
> 9. Click Reload in your Browser
> 10. Click Link "Edit your user registration profile"  
>     What is this??? You are in again. You can edit your 
> profile ! After the
> logout you performed and
>     without to login again. It's somekind done automatically.
>    I don't want that!!!!
>    I logout and the next person using  my computer can log 
> into my account
> by reloading
>    an old site from the browser-cache?.
>    Is there a way to prevent it?? If have tried severel 
> mata-tags in the
> html for no-caching
>    but nothing helps.
>    Maybe the  browser is caching the userid and the password
>    Is the only solution to close the window or to close the 
> whole browser?
> 
> Thanks for your help!!
> Greets frazz
> 
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