Dec. 2, 2020 SSL TLS HTTPS Sniffing Wireshark Chrome Chromium RU/EN По-русски

Sniffing HTTPS Traffic in Chromium with Wireshark

For decrypt traffic from Chromium (or Chrome), you need to configure writing SSL-logs to a file, and then configure Wireshark so that it reads this file.

Chromium setup

/usr/local/bin/chromium --ssl-version-max=tls1.3 --ssl-key-log-file=/tmp/sslkeylog.log

(it will be more convenient to specify alias for your shell)

Wireshark setup

Go to Preferences > Protocols > TLS, specify the path to the file:

wireshark-tls-settings.png

As a result, you will be able to see the decrypted data:

wireshark-ssl.png

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