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Comment by nirmal | Hacker News Reader

Looks like they are blocking more than just Posterous.

@jazzychad: "ARGH. @twitpic is blocking the whole slicehost/rackspace cloud IP block again. /cc @cloudsupport @posterous"

http://twitter.com/jazzychad/status/17381172407

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They should block the entire Internet so that nobody can steal their trade secrets.

Surely the "scan rss feed and grab all the photos" tool could be re-written as a client side javascript app? Then they could only block it by blocking all their users :-)

That came to my mind too, but I don't think it's doable thanks to XSS restrictions.

To prevent nefarious scripts, XSS (cross-site scripting) isn't allowed by browsers. Thus, when you're on a posterous.com page, javascript can only make requests to posterous.com. When you're on a twitpic.com page, javascript can only make requests to twitpic.com. The way sites get around this is by making the request to the external site from their servers, but then the calls would still come from Posterous servers, so it would get blocked.

You could actually do it as a bookmarklet, though.

Make it a Chrome extension? Doable in a couple of hours, and might get more people to switch to Chrome. Goodness all around :)

Why the hate for firefox? I support firefox more, it started all the improvements in browsers, is done by a small company, and doesn't have so many fingers into my privacy pie.

That is not hate for Firefox, it's love for Chrome....

I wouldn't say Firefox "started" all the improvements ... Opera has been at the forefront for a long time, natural progression has taken place over the years, and now Firefox is playing catch-up with things like tab-isolation and HTML5

On paper it seems possible with JSONP requests and canvas' getImageData().

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