Middleboxes are everywhere. You?ve installed some your work operates bigger ones the NSA and FSB probably have the coolest ones. Sometimes they are deployed for good sometimes for bad and sometimes out of necessity. You might call them visibility appliances next generation firewalls or just ?my soho NAT router internet access thinamajiggah.? In this talk I?ll speak to how middleboxes work from SSL interception to FTP tricks why they break TLS 1.3 and why they are everywhere.

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