Forum Discussion
GavinW_29074
May 24, 2012Nimbostratus
SSL Renegotiation on PEN Test???
Hi there
We're currently getting some of our sites which are served through our F5's pen tested...
Our F5's are currently running v11.1.0 HF2.
The PEN test report has f...
jwham20
May 24, 2012Nimbostratus
Gavin,
Looking at a capture from an 11.1.0 system, it would appear the SSL handshake has the correct flags set:
ClientHello is received, the server MUST check
-if it includes the TLS_EMPTY_RENEGOTIATION_INFO_SCSV SCSV.
If it does, set the secure_renegotiation flag to TRUE.
-if the "renegotiation_info" extension is included in the ClientHello.
If the extension is present, set secure_renegotiation flag to TRUE.
The server MUST then verify that the length of the "renegotiated_connection" field is zero, and if it is not, MUST abort the handshake.
----------
If the secure_renegotiation flag is set to TRUE, the server MUST include an empty "renegotiation_info" extension in the ServerHello
message.
I am wondering if there is a lack of maturity in the tool that was used to test.
-Joshm
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