encrypt sent packets?

  simmo09 22:04 11 May 08

is it possible to encrypt sent packets over a public wifi wlan, in which data such as tcp port 80 cannot be shown over wireshark for example?


  simmo09 11:55 12 May 08


Also if say cafe's have keys stored, then provided for customers, how could you stop people listening on port 80? This what i need to know, wireshark shows my email and also password, how to encode these packets?

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