daemon: client-side & server-side tls session resumption with session tickets
server-side session resumption support is turned off by default
server-side configuration - net.tls_sticket_salt_string(salt_string)
salt_string - salt string used for session ticket key regeneration
Key regeneration algorithm guarantees that all forked kresd instances will use the same session ticket keys.
session ticket key is regenerated every hour.