Recall that most web browsers perform object caching and thus perform a conditional GET The HTTP CONDITIONAL GET/response interaction. Q4: How many bytes of content are being returned to your browser?Ģ. Q3: When was the HTML file that you are retrieving last modified at the server? Q2: What is the status code returned from the server to your browser? Q1: Is your browser running HTTP version 1.0 or 1.1? What version of HTTP is the server Your browser should display the very simple, one-line HTML file. Wait a bit more than one minute and then begin Wireshark packet capture. To see the clutter of all captured packets).Ĭ. (We're only interested in the HTTP protocol here, and don't want Enter 'http' (just the letters, not the quotation marks) in the display-įilter-specification window, so that only captured HTTP messages will be displayed later in Start up the Wireshark packet sniffer, as described in the Introductory lab (but don't yetīegin packet capture). The Basic HTTP GET/response interaction.ī.
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