[loeg]

Yeah, this hits close to home. Our corp firewall blocks anything other than 80 and 443, and MITM's 443.

[YouKnowBetter]

And when that proxy is worth it's salt, it shall detect attempts to tunnel plain ssh over said ports.

This is 2018, anyone who can bypass their corporate proxy with that example, should find employment elsewhere or atleast prepare to do so since your company's internals will surface on twitter any time now.