wireshark learning series https decrypt

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wireshark learning series: https decryption tutorial

wireshark is a powerful network protocol analyzer that allows you to capture and inspect packets traversing a network. one of the challenges you may encounter is decrypting https traffic, which is encrypted for security. in this tutorial, we'll cover how to decrypt https traffic in wireshark using a simple method that involves the use of the browser's development tools and the sslkeylogfile environment variable.

prerequisites

1. *wireshark* installed on your computer.
2. a web browser (e.g., chrome or firefox) that supports setting environment variables for ssl key logging.
3. basic understanding of how to navigate wireshark's interface.

step 1: set up ssl key logging

to decrypt https traffic, we need to configure the browser to log ssl session keys. this can be done using the `sslkeylogfile` environment variable.

for windows

1. open the command prompt.
2. set the environment variable and start your browser. replace `c:\path\to\your\browser.exe` with the path to your browser's executable.



for linux or macos

1. open a terminal.
2. set the environment variable and start your browser:



for example:

if you're using chrome on windows, it might look like this:



step 2: capture network traffic with wireshark

1. open wireshark.
2. select the appropriate network interface (usually the one connected to the internet).
3. start capturing packets by clicking the *start capturing packets* button (the shark fin icon).

step 3: perform https requests

1. use your browser to navigate to any https website. this can be a test site or any secure website. ensure that you perform actions that will generate https traffic (like loading a page, submitting a form, etc.).
2. stop the packet capture in wireshark after you have generated some https traffic.

step 4: configure wireshark to use the ssl key log file

1. in wireshark, go to *edit* *preferences* (or press `ctrl + shift + p`).
2. in the pre ...

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