IBM i 7.4 Tip #2: Secure sockets layer (SSL) and Transport Layer Security (TLS) changes
At each release, IBM tightens up the security of the system, which is a good thing for many shops. There are two system values, which while you might have set to *OPSYS, the underlying security will change when you upgrade to a new release. Now, I certainly recommend that most places have both System Values QSSLPCL (Secure Sockets Layer Protocols) and QSSLCSLCTL (Secure Sockets layer cipher control) both set to *OPSYS. This way, when IBM changes the defaults associated with the release, you get the newer versions, but you should be aware of the changes that will happen when upgrading to IBM i 7.4. All for the better in my opinion. So, let’s discuss Secure sockets layer (SSL) and Transport Layer Security (TLS) changes.
TLS enabled and default cipher specification lists have changed for System TLS
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