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I need to block the users from accessing Whatsapp Android application who have logged in to my network. I tried to take Wireshark logs and tried to find the server's IP Address and port number, but I couldn't find any clue. Actually I am naive to Wireshark usage and network administrator domain too, so suggestions would be great!
I have a Basic Netgear Router installed in my workplace with an internet connection.
you might try asking on serverfault.com, it is on-topic for that site – Robin Green – 2014-01-01T16:21:38.083
Actually I was directed to SuperUser by experts. Fine I shall give a try in ServerFault as per your suggestion. – Nandhan – 2014-01-02T17:39:11.267
4Are you able to blacklist certain DNS records? If so, you can actually block *.whatsapp.net. While DNS blocks are far from foolproof, it's better than tracking a moving target. WhatsApp leases capacity from SoftLayer, and WhatsApp has many different IP addresses. – yjwong – 2014-01-02T19:00:52.643