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From: Daniel Stenberg <daniel@haxx.se>
To: "brian m. carlson" <sandals@crustytoothpaste.net>
Cc: Jonathan Tan <jonathantanmy@google.com>, git@vger.kernel.org
Subject: Re: [PATCH 2/2] http, imap-send: stop using CURLOPT_VERBOSE
Date: Wed, 13 May 2020 08:16:59 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.20.2005130812500.28445@tvnag.unkk.fr> (raw)
In-Reply-To: <20200512231331.GA6605@camp.crustytoothpaste.net>

On Tue, 12 May 2020, brian m. carlson wrote:

Sorry for going slightly off-topic, but I figure this could help as a sort of 
PSA.

> Since everyone uses HTTPS, it's not possible to perform this debugging using 
> a tool like Wireshark unless you use a MITM CA cert, which seems excessive.

When you want to Wireshark the connection with libcurl, your friend is 
SSLKEYLOGFILE. If you set that environment variable (assuming the libcurl TLS 
backend supports it - several do), libcurl will save the TLS secrets in the 
file that environment variable mentions - at run-time in a format that 
Wireshark understands.

Then you can analyze the traffic, in real time, with Wirehark without fiddling 
with a MITM etc.

-- 

  / daniel.haxx.se

  parent reply	other threads:[~2020-05-13  6:18 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-11 17:43 [PATCH 0/2] Safer GIT_CURL_VERBOSE Jonathan Tan
2020-05-11 17:43 ` [PATCH 1/2] t5551: test that GIT_TRACE_CURL redacts password Jonathan Tan
2020-05-12 19:08   ` Jeff King
2020-05-11 17:43 ` [PATCH 2/2] http, imap-send: stop using CURLOPT_VERBOSE Jonathan Tan
2020-05-12 19:16   ` Jeff King
2020-05-12 19:23     ` Jonathan Tan
2020-05-12 19:27       ` Jeff King
2020-05-12 23:13   ` brian m. carlson
2020-05-13  0:10     ` Junio C Hamano
2020-05-13  4:50       ` Jeff King
2020-05-13  5:05         ` Junio C Hamano
2020-05-13  6:16     ` Daniel Stenberg [this message]
2020-05-13 14:45       ` Jeff King
2020-05-13 19:12 ` [PATCH v2 0/3] Safer GIT_CURL_VERBOSE Jonathan Tan
2020-05-13 19:12   ` [PATCH v2 1/3] t5551: test that GIT_TRACE_CURL redacts password Jonathan Tan
2020-05-13 19:12   ` [PATCH v2 2/3] http: make GIT_TRACE_CURL auth redaction optional Jonathan Tan
2020-05-13 19:29     ` Junio C Hamano
2020-05-13 19:12   ` [PATCH v2 3/3] http, imap-send: stop using CURLOPT_VERBOSE Jonathan Tan
2020-05-13 19:27   ` [PATCH v2 0/3] Safer GIT_CURL_VERBOSE Junio C Hamano
2020-05-13 19:33     ` Junio C Hamano
2020-05-15 20:47       ` Jeff King

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