(reposting to the list, not used to gmail) On Wed, Apr 18, 2018 at 1:55 PM, Luca Beltrame wrote: > [..] > > Very hacky, but gets the job done. Any suggestions on how to make it > better? > I wonder if anyone has written a program (likely it has to be a kernel module) to tunnel UDP packets over "fake TCP" i.e. just put the UDP data in a TCP packet but not actually run TCP. I'm not sure how deeply firewalls check TCP headers to see if they are "actually" running TCP "properly", but I'd guess it's possible to fake enough aspects of it so that it "looks legit" and no firewall would be able to tell the difference. X