This attack has been around forever and ever, I don&#x27;t see anything new. In fact, it&#x27;s the opposite, his method is 
naive (dumb bruteforcing). Moreover, a lot (the vast majority) of networks these days drop spoofed packets (egress).<p>The phrack article describes a lot more sophisticated attack.<p>Mitnick used it to hack Shimomura.<p><a href="http:&#x2F;&#x2F;wiki.cas.mcmaster.ca&#x2F;index.php&#x2F;The_Mitnick_attack" rel="nofollow">http:&#x2F;&#x2F;wiki.cas.mcmaster.ca&#x2F;index.php&#x2F;The_Mitnick_attack</a><p>More recent but still 9 years old:
<a href="http:&#x2F;&#x2F;phrack.com&#x2F;issues&#x2F;64&#x2F;13.html#article" rel="nofollow">http:&#x2F;&#x2F;phrack.com&#x2F;issues&#x2F;64&#x2F;13.html#article</a>