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bxb100/wireshark.md

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Created May 21, 2022 09:26
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How to decrypt SSL/TLS traffic in Wireshark on MacOS
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wireshark.md

The main point is to save the SSL/TLS keys those used by the web browser (SSLKEYLOGFILE=/tmp/tmp-google/.ssl-key.log).
In the example below we run brand new instance of Google Chrome (--user-data-dir=/tmp/tmp-google do the trick):
SSLKEYLOGFILE=/tmp/tmp-google/.ssl-key.log /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --user-data-dir=/tmp/tmp-google
Then run the Wireshark and open the Preferences -> Protocols -> SSL, where we put the path to the SSL keys log file into the (Pre)-Master-Secret log filename field.
Now all SSL/TLS traffic from this browser instance will be decrypted.

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bxb100 commented May 21, 2022

  1. 直接填写路径到 (Pre)-Master-Secret log filename，使用文件系统没法选中；Command+Shift+Dot 显示所有隐藏文件
  2. 将命令放到 chrome.command 中可以直接打开1

Footnotes

  1. https://apple.stackexchange.com/questions/198628/is-it-possible-to-open-2-different-instances-of-chrome-with-different-tabs-open ↩

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