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3DES for HTTPS in CUCM

Justin@Home
Level 1
Level 1

Hey all,

We are running CUCM 11.5.1(SU5) and our security folks are asking us to remove 3DES from HTTPS/SSL on CUCM.  Looking at the help notes, there is no way to remove individual ciphers and no settings to eliminate cipher suites that include 3DES.

I have looked all over and I cannot find concrete evidence on how to remove 3DES support and or if there is a newer SU with 3DES removed.

I see in SU9 that 3DES was removed for TLS, but it does not mention anything about SSL/HTTPS; can anyone confirm if 3DES is removed from TLS & SSL in 11.5.1(SU9)?

Thanks,
Justin

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