hello, I am from México my english is not the best.
I have a cyber coffe and sell internet cards but now, I want sell cards only for whatsapp, facebook and messenger and I dont know how to do it
some body can help me please.
you can block every thing but and allow whatsapp ports but u cant let fb or u will not receive voice notes or videos will not be able to download them cuz all of them passing throw 443 which is secure port https with fb once u drop it down every thing passing throw this port will drop down