You would still use a hashed password that you wouldnt be able to
guess, plus you could also seed the userid before the hash.
or like I said before, use a uuid for the userid.

You wouldnt be guessing either one.

On 11/29/05, Russ <[EMAIL PROTECTED]> wrote:
> That's really just security by obscurity.  If you hash the data, and I know
> that you've hashed the data, I can set the data that I want and hash that as
> well.. Your program wouldn't really know the difference.
>
> Lets say you were hashing userID's.  I would really just need to know the
> valid range of userID's (Lets say 1 to 100000), and then I can hash each one
> of those using the same exact hash function you're using (Coldfusion), and
> set my own cookie.  Then try accessing your site with it.  That's a pretty
> simple brute force, wouldn't you say?  Much easier then trying to guess the
> password.
>
>
>
> -----Original Message-----
> From: Snake [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, November 29, 2005 4:43 AM
> To: CF-Talk
> Subject: RE: pseudo-memory leak
>
> Normally you would HASH the data so it cannot be extracted and used or
> changed.
>
> -----Original Message-----
> From: Russ [mailto:[EMAIL PROTECTED]
> Sent: 28 November 2005 23:40
> To: CF-Talk
> Subject: RE: pseudo-memory leak
>
> Cookies are not very secure now, are they?  Lets say I was going to let the
> user be logged in, and I wanted that to persist... So I would do..
>
> Client.userId=123456
>
> Now, the user has no way to change that... Now, lets say I store it in the
> cookie...
>
> <Cfcookie name="userId" value="123456">
>
> Now, the user can examine their cookies and know their userid.  Worse, they
> can change the userid, and be logged in as a different user.
>
> Russ
>
> -----Original Message-----
> From: Ryan Guill [mailto:[EMAIL PROTECTED]
> Sent: Monday, November 28, 2005 2:04 PM
> To: CF-Talk
> Subject: Re: pseudo-memory leak
>
> I have never really found a need for client variables.  What benefit do they
> really offer?  The only time I could see using them is when you had
> something that you might think about storing in a cookie.  I rarely come
> across a need like that where I dont really want a cookie,
> and if I do I usually just store it in the session.   Am I missing
> something there?
>
> On 11/28/05, Russ <[EMAIL PROTECTED]> wrote:
> > Are you still running another server on BD?  How is BD handling this
> issue?
> >
> > -----Original Message-----
> > From: Michael Dinowitz [mailto:[EMAIL PROTECTED]
> > Sent: Monday, November 28, 2005 1:38 PM
> > To: CF-Talk
> > Subject: pseudo-memory leak
> >
> > I've written up my thoughts on what looks like the problem that the
> > House of Fusion server was facing for the last few weeks. It's a
> > problem that probably affects others but I'm not going to comment on
> > how wide spread it is until the full write-up on Fusion Authority.
> > These are just my notes and thoughts.
> > http://www.blogoffusion.com/index.cfm/2005/11/28/pseudomemory-leak
> >
> >
> >
> >
>
>
>
>
>
>
>
> 

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