reverse shell is not blocked?

[netevil at hackers.it (netevil)]

Maybe your firewall enables outgoing HTTP connections? :)
Have a nice day
David

Il giorno 03/giu/09, alle ore 08:28, Jun Koi <junkoi2004 at gmail.com> ha  
scritto:

> Hi,
>
> On Windows XP, I play with reverse shell on an exploitation, and it
> works flawlessly.
>
> However, I notice that the reverse connection to the remote machine is
> never blocked by Windows XP. Meanwhile, many software first time
> connect to outside will be blocked, and a message pops up to ask to be
> allowd to do so (and user must physically click the "Unblock" buttton
> to allow that).
>
> So I am wondering why reverse shell can escape that?
>
> Thanks a lot,
> J
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