'Nginx ssl_session_cache difference between shared:SSL and shared:MozSSL?

When setting ssl_session_cache in Nginx I often see examples set it as one of the two options:

ssl_session_cache shared:SSL:10m; or ssl_session_cache shared:MozSSL:10m;

What is the difference between these two?

nginx nginx-config

Solution 1:^[1]

It's just a name. It can be any string.

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Solution	Source
Solution 1	Mark Rotteveel