Why when you post a link to Facebook it will allways come up as in facebook.com/l.php?u=http://linkurlencoded
My common sense tells me it’s by some sort of security xss thing, analytics, thing.
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Why when you post a link to Facebook it will allways come up as in facebook.com/l.php?u=http://linkurlencoded
My common sense tells me it’s by some sort of security xss thing, analytics, thing.
Answer is here:
https://www.facebook.com/notes/facebook-security/link-shim-protecting-the-people-who-use-facebook-from-malicious-urls/10150492832835766
It is a web redirector not meant to be an open redirector with some other tracking stuff.
I also think they do it for security, check this :
http://cwe.mitre.org/data/definitions/601.html