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Cloud Security Guidelines for IBM Power Systems by Stephen Tremain, Liviu Rosca, Mu Hyun Kim, Thiago Costa, Axel Buecker

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Troubleshooting SSL and TLS handshake
This appendix discusses using the AIX and Linux tcpdump and wireshark commands to examine the SSL handshake. Increasing security demands often result in mismatches in security capabilities between servers and endpoints when a secure connection is negotiated using SSL and TLS.
An example might be where a user with an older web browser client is trying to connect to a secure web server that supports only a newer set of encryption protocols. For example TLS 1.2 might be mandated by a security standard.
In this ...

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