How to turn off only encryption in CipherSuite?
From: Alex Ng (anonymous_at_discussions.microsoft.com)
Date: 08/03/04
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Date: Tue, 3 Aug 2004 14:09:08 -0700
According on Microsoft Knowledge Base Article 245030, the
SCHANNEL\Ciphers\NULL subkey, when set to 0x00000000, will
turn off encryption.
On my Windows 2000 Server and IIS (which comes with Win2K
Server), I changed the registry SCHANNEL\Ciphers\NULL
subkey to 0x00000000, and used IE6.0 to HTTPS to browse a
a webpage on that Win2K Server IIS. When I see the log on
Ethereal, I observed that the communication is going
through TCP port 443 (HTTPS), and TLS negotiation was
happening. However, the TLS security negotiation resultant
is TLS_RSA_WITH_RC4_128_MD5, instead of TLS_RSA_NULL_MD5,
contrary to what I expected.
It is also observed an encrypted TLS application data on
Ethereal log.
Would anyone please give some advise how to generate a non-
encrypted scenario?
Thanks a lot.
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