There can also be secondary trigger points which can be used - in case the application phones home, similar to how skype is being identified (sure you can block skype with PA but to do this you are forced to allow skype-probe to pass through).
There can also be secondary trigger points which can be used - in case the application phones home, similar to how skype is being identified (sure you can block skype with PA but to do this you are forced to allow skype-probe to pass through).