See also this, with a possible patch:
http://trac.symfony-project.org/ticket/3857

Michael


On 22 Jul., 00:10, Ian <[EMAIL PROTECTED]> wrote:
> This ticket may be the issue:http://trac.symfony-project.org/ticket/4000
>
> I do clear and re-add all credentials at the start of every page
> request so its a good chance that its regenerating the session every
> single time, causing the error.
>
> On Jul 21, 4:03 pm, Ian <[EMAIL PROTECTED]> wrote:
>
> > Ok well I figured out whats going on.
>
> > Consider this method of sfForm:
>
> >   public function getCSRFToken($secret)
> >   {
> >     return md5($secret.session_id().get_class($this));
> >   }
>
> > session_id() is generating a random ID on every page request... So if
> > you submit a form, it generates a new session_id(), causing the md5 to
> > be different and thus always failing the check from the bound
> > _csrf_token.   I'm using sfPDOSessionStorage for sessions, so maybe a
> > recent change affected this.  I'll do some more digging, but before I
> > open a ticket, has anyone else run into this issue?
>
> > On Jul 21, 11:49 am, Ian Ricketson <[EMAIL PROTECTED]> wrote:
>
> > > Any reason why upgrading from 1.0 to 1.1 would cause all my forms to 
> > > report CSRF errors like:
> > > csrf token: CSRF attack detected.
> > > Worked before, but I dunno what changed. Any ideas?--Ian
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