[arch-general] The principle behind MSN & Yahoo invisible scanners?

[Mauro Santos]

On 09/06/2010 11:17 PM, Mauro Santos wrote:
> Mind you that since some time ago it seems this "feature" is not
> reliable anymore.
> 
> The are msn clients that had this functionality built-in and things have
> gone south when it started to malfunction and reporting some users as
> being blocked or deleted when in fact they are not.
> 
> As far as I know no one knows for sure what the problem was (maybe just
> a change in protocol or a deliberate change). I have tested it myself
> with several different accounts and it was similar to a russian
> roulette, this "feature" was not reliable anymore in identifying when
> one has been blocked/deleted.
> 
> Search more about this in mercury's forums, at least the problem came up
> there and also on amsn's forums if I remember correctly.
> 

Sorry to double post but as you can see my reply clearly does not apply
to the invisible scan but to deleted/blocked detection, my mistake.
However it may be possible that invisible detection may stop working
reliably in the future too.


-- 
Mauro Santos