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Mastering Wireshark 2

You're reading from   Mastering Wireshark 2 Develop skills for network analysis and address a wide range of information security threats

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Product type Paperback
Published in May 2018
Publisher
ISBN-13 9781788626521
Length 326 pages
Edition 1st Edition
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Author (1):
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Andrew Crouthamel Andrew Crouthamel
Author Profile Icon Andrew Crouthamel
Andrew Crouthamel
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Toc

HTTP analysis II


We'll investigate some issues with HTTP by looking at the error messages again and how to decrypt HTTPS (which is TLS now) traffic. This also works for SSL.

We'll download an example capture from the SampleCaptures section on the Wireshark wiki (https://wiki.wireshark.org/SampleCaptures). Once you go to the SampleCaptures page, go down to Specific Protocols and Protocol Families | HyperText Transport Protocol (HTTP):

If you click on that, we'll have a list of some basic HTTP captures that we can look at. At the bottom it has a link to SSL with decryption keys, and we'll download the top link snake-oil2 070531.tgz file. All you'll need to do is extract that so that you can get to the files within.

Note

By default, Windows can only extract .zip files, so you'll need to download something like 7-Zip or WinRAR in order to open it.

When you open the cap file, you'll see that it's an older file. This is actually from somewhere around 2007, probably, so it's not a pcapng file. But it...

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