Forwarding all skype traffic?

Question

Skype

Good day.
the crux of the matter is
to wrap all skype traffic (login / skype-to-skype) to a separate provider or wrap it in a VPN.
maybe someone came across a solution.
piece of iron mikrotik ccr1036 8g-2s
reason through a sieve called skype the attackers find out the IP address and hello DDoS in 20 gb

Answer 1

mark skype traffic and prescribe your routes for mark routes under it
try to search for articles on traffic marking
and how to distinguish skype traffic - there are articles on QoS in microts

Answer 2

Wiki seems to have regexp l7 skype