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From Apache Wiki <>
Subject [Httpd Wiki] Update of "ScratchPad" by TomasPospisek
Date Thu, 13 Oct 2011 13:19:18 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Httpd Wiki" for change notification.

The "ScratchPad" page has been changed by TomasPospisek:

add screenshot (unfortunately the apache wiki doesn't seem to allow to upload images?)

  The important thing to take away from the [[|the
document]] is that SSL contains an alert protocol, that can be seen and found in the transmitted
TCP packets of an SSL communication, that contains an error code specifying containing the
reason why a communication failed to be set up.
+ {{|Wireshark screenshot}}
  As you can see in the screenshot, the two bytes contained in the "Alert Message" contain
the error code "2f", which can be looked up in the respective [[|rfc]].
In this case it's the code 47 (0x2f), which means "illegal_parameter" - there was some property
of the certificate that the server (!) didn't like and refuses to accept. In our case the
server was expecting a different issuer CN.

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