feat: SSLKEYLOGFILE support for flight CLI
#4875
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Allows analysis of TLS traffic with an external tool like Wireshark. See https://wiki.wireshark.org/TLS#using-the-pre-master-secret
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There doesn't seem to be any progress on hyperium/tonic#1539 so I am going to close this for now, we can reopen should there be movement upstream |
alamb
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Sep 6, 2025
# Which issue does this PR close? \- # Rationale for this change This is #4875 now that the upstream changes are available. Allows analysis of TLS traffic with an external tool like Wireshark. See https://wiki.wireshark.org/TLS#using-the-pre-master-secret # What changes are included in this PR? New flag that opts into into the standard `SSLKEYLOGFILE` handling that other libraries and browsers support. # Are these changes tested? Not automatic test, but I did validate that setting the flag AND the env variable emits a log file that is successfully used by Wireshark to decrypt the traffic. # Are there any user-facing changes? Mostly none for normal users, but might be helpful for developers.
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Which issue does this PR close?
-
Rationale for this change
Allows analysis of TLS traffic with an external tool like Wireshark.
See https://wiki.wireshark.org/TLS#using-the-pre-master-secret
What changes are included in this PR?
New flag that opts into into the standard
SSLKEYLOGFILEhandling that other libraries and browsers support.Are there any user-facing changes?
Mostly none for normal users, but might be helpful for developers.