How does Skype gain access to port forwarding?
Solution 1:
How does Skype manage to get access to port-forwarding?
Is there any way to disable this?
One of the ways Skype gets arounhd firewalls is by using Universal Plug and Play.
You can disable UPnP in your router to prevent this.
See the links below for more information.
Further Reading
- What is the difference between UDP hole punching and UPnP?
- How does Skype work without port forwarding?
- How Skype Gets Round Firewalls