Rather than trying to prevent theft of your images why not create a little
app that steganographs some copyright information... With some thought it's
possible to hide textual content within an image

At least then you can prove it was yours... Just a thought

Dan

-----Original Message-----
From: Chirantan Ghosh [mailto:[EMAIL PROTECTED] 
Sent: 05 December 2005 16:37
To: Jason Petersen
Cc: php-general@lists.php.net
Subject: Re: [PHP] Browser Control Help

Thanks Jason,

I am always ready to be enlightened by ones who know better than me.

As you suggested, I really would love to get a watermark which is invisible 
with initial viewing but activated once a copying/printing command ( Can be 
Ctrl+C or Alt+Printscreen) is used.

If you can help it would be delighting.

Thanks,
C

----- Original Message ----- 
From: "Jason Petersen" <[EMAIL PROTECTED]>
To: "Chirantan Ghosh" <[EMAIL PROTECTED]>
Cc: <php-general@lists.php.net>
Sent: Monday, December 05, 2005 11:27 AM
Subject: Re: [PHP] Browser Control Help


I wish I had a dollar every time I've seen a question like yours, it seems
like a lot of new developers think they need to fundamentally alter the way
the browser works to protect their "content."  The fact is, if you're
putting content on the public web, it can--and will--be downloaded by all of
your visitors.  (they have to download it to display it after all)

You're going the wrong way about protecting your images.  No matter what
Javascript tricks you try to use, all I have to do is disable Javascript.
And you're going to seriously annoy your visitors who are not technically
savvy, whether they have the intention to "steal" your content or not.
Personally I would not come back to a site that assumes I'm a thief.

You might want to look into other methods to protect your content, such as
login authentication and watermarking. PHP can help with these.  But if you
come on this list and demand ridiculous things, don't expect to be taken
seriously.

A better way to ask your original question would have been: "How can PHP
help protect web content?"

Best,
Jason



On 12/5/05, Chirantan Ghosh <[EMAIL PROTECTED]> wrote:
>
> Hi Jason,
>
> You sound offended...Happy Christmas to you too!
> If you really wanted to know what I was addressing please read what Dan
> (Parry) wrote.
>
> Keep smiling after all its Dec,
> C
>
> ----- Original Message -----
> *From:* Jason Petersen <[EMAIL PROTECTED]>
> *To:* Chirantan Ghosh <[EMAIL PROTECTED]>
> *Sent:* Monday, December 05, 2005 10:57 AM
> *Subject:* Re: [PHP] Browser Control Help
>
> 1. PHP is server side, not client side.
> 2. You don't have "a working version," my browser is fully functional on
> your site.
> 2. No one is interested in ripping off your Dreamweaver-generated site
> anyway.
>
> Best,
> Jason
>
>
> On 12/5/05, Chirantan Ghosh <[EMAIL PROTECTED]> wrote:
> >
> > Hi All,
> >
> > I was wondering how do in trick in PHP page <head> part?
> >
> > I want to disable Ctrl, Atl, Print Screen and also remove the File,
> > Edit, View menus from the browser.
> >
> > I already have a working version with disabled Ctrl, Atl, Print Screen (
> > http://www.art-nyc.us/ )but I need some help with coding with the later.
> >
> > If someone can please help me remove the File, Edit, View menus from the
> > browser in PHP it would help a LOT.
> >
> > Thanks,
> > C
> >
> >
>

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