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I use scapy and try to make a ping and receive the reply.
my_ping = Ether() / IP(dst='8.8.8.8') / ICMP()
rep,no_rep = srp(my_ping)
The problem is that I don't receive any answer. The ping 8.8.8.8 works well using the terminal. I've this problem on my Mac (OS X 10.10 Yosemite) and also on the Ubuntu VM installed on my Mac. However, those commands work on my AWS Ubuntu machine.
If somebody has a clue... feel free to answer