> On 28 Jul 2016, at 19:38, Joe Touch <[email protected]> wrote: > > > > On 7/28/2016 12:20 AM, Olle E. Johansson wrote: >>>> The challenge with STUN has always been that many middleboxes *do not >>>> want to be found*. >> Which is one reason to improve STUN - right? > > You can't fix something that doesn't *want* to be found. So-called > "transparent" middleboxes (I call them hijacking attackers) do > everything possible to hide, which means they refused to participate in > any mechanism you create and try very hard not to be discovered at all. > > All you can do is cause them visibly break so you can detect and > eradicate them.
If you check the paper I referred to they have detected the presence of TCP proxys, which may help us with setting protocol options right in order to work. Or just fail. /O
