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I am running Ubuntu Linux and have installed wireshark on it. I can see the incoming and outgoing traffic just fine. Now I want to see the traffic from other devices which are on my LAN. So, I did:
$ ifconfig wlan0 promisc
Now I pick up my phone which is on the same network (LAN) and go to stackoverflow.com. Now I come back to wireshark stop the capturing and then filter the traffic with http but there is nothing. What did I miss?
See this Ask Ubuntu question and answer. Check
– agtoever – 2015-08-29T08:11:01.857netstat-i
for the P flag after you set promisc via ifconfig. If it's not there: big chance your nic and/or driver doesn't support promiscious mode.