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-rw-r--r--doc-src/ssl.html22
1 files changed, 19 insertions, 3 deletions
diff --git a/doc-src/ssl.html b/doc-src/ssl.html
index 91225d79..16aed1dc 100644
--- a/doc-src/ssl.html
+++ b/doc-src/ssl.html
@@ -41,10 +41,26 @@ The files created by mitmproxy in the .mitmproxy directory are as follows:
Using a custom certificate
--------------------------
-You can use your own certificate by passing the __--cert__ option to mitmproxy.
+You can use your own certificate by passing the <kbd>--cert</kbd> option to mitmproxy. mitmproxy then uses the provided
+certificate for interception of the specified domains instead of generating a cert signed by its own CA.
-The certificate file is expected to be in the PEM format. You can generate
-a certificate in this format using these instructions:
+The certificate file is expected to be in the PEM format.
+You can include intermediary certificates right below your leaf certificate, so that you PEM file roughly looks like
+this:
+
+<pre>
+-----BEGIN PRIVATE KEY-----
+&lt;private key&gt;
+-----END PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
+&lt;cert&gt;
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+&lt;intermediary cert (optional)&gt;
+-----END CERTIFICATE-----
+</pre>
+
+For example, you can generate a certificate in this format using these instructions:
<pre class="terminal">
> openssl genrsa -out cert.key 8192