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| Allegro CL version 10.1 New since the initial 10.1 release.

## *ssl-features*

The value is a list of keyword symbols. In release 10.1, the list will contains the single keyword `:sni`, which indicates that the `:ssl` module supports SNI (Server Name Indication, see en.wikipedia.org/wiki/Server_Name_Indication for more information). SSL client streams are created with acl-socket:make-ssl-client-stream.

This variable (and the symbol which names it) do not exist in versions prior to 10.1. Programs that wish to take advantage of this feature and are intended to work in versions earlier than 10.1 need to check for the existence of the symbol and check the value to avoid undefined variable errors.

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This page is new in the 10.1 release.
Created 2019.8.20.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 10.1 New since the initial 10.1 release.