Behavior, Content, Money – 3 Things you should never give away for free!!!

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The Server-Side Proxy

Posted by bcmoney on May 1, 2009 in AJAX, C#/, Flash, Java, JavaScript, Perl, PHP, Python, Web Services with 4 Comments

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English: Illustrated concept of a proxy server...

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The Server Side Proxy… oh how I despise thee.

It’s a technique which we wouldn’t have to utilize at all, were it not for Browser security restrictions (which are admittedly in place for a good reason, to save us from ourselves).


The Same-origin policy, also known as same-domain limitation.


After IE4 and a number of other browsers had vulnerabilities revealed where Cross-Site Scripting (XSS) attacks were exploited to gain access to user data, jeopardize accessibility of, or otherwise vandalize popular Web Services and Web Applications, the Browser vendors got together and decided to lock down their browsers into a “sandbox”.

What is a sandbox you ask? In non-developer speak its just like you can find in public parks, a set of boundaries around a soft and malleable plot of land where you can play safely and fall down as much as you want without hurting yourself (or others). Even if you did decide to go on an all-out rampage, you could only at most hurt other people inside the sandbox. In geek speak, its a security mechanism for separating running programs whereby code is isolated to its own space in memory and/or its own path on the network. This effectively means your client-side code can’t make a request to any URL above its own path, let alone to an external Web Service or application.


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BC$ = Behavior, Content, Money

The goal of the BC$ project is to raise awareness and make changes with respect to the three pillars of information freedom - Behavior (pursuit of interests and passions), Content (sharing/exchanging ideas in various formats), Money (fairness and accessibility) - bringing to light the fact that:

1. We regularly hand over our browser histories, search histories and daily online activities to companies that want our money, or, to benefit from our use of their services with lucrative ad deals or sales of personal information.

2. We create and/or consume interesting content on their services, but we aren't adequately rewarded for our creative efforts or loyalty.

3. We pay money to be connected online (and possibly also over mobile), yet we lose both time and money by allowing companies to market to us with unsolicited advertisements, irrelevant product offers and unfairly structured service pricing plans.

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