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Fix and improve SSL_MODE_SEND_FALLBACK_SCSV documentation.

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Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Bodo Moeller 2014-10-21 22:41:07 +02:00
parent 8d81dfd0a6
commit 2a303a5834
2 changed files with 13 additions and 4 deletions
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8
doc/ssl/SSL_CTX_set_mode.pod
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@ -71,12 +71,16 @@ SSL_CTX->freelist_max_len, which defaults to 32. Using this flag can
save around 34k per idle SSL connection.
This flag has no effect on SSL v2 connections, or on DTLS connections.
=item SSL_MODE_FALLBACK_SCSV
=item SSL_MODE_SEND_FALLBACK_SCSV
Send TLS_FALLBACK_SCSV in the ClientHello.
To be set by applications that reconnect with a downgraded protocol
To be set only by applications that reconnect with a downgraded protocol
version; see draft-ietf-tls-downgrade-scsv-00 for details.
DO NOT ENABLE THIS if your application attempts a normal handshake.
Only use this in explicit fallback retries, following the guidance
in draft-ietf-tls-downgrade-scsv-00.
=back
=head1 RETURN VALUES

9
ssl/ssl.h
View file

@ -606,8 +606,13 @@ typedef struct ssl_session_st
* or just freed (depending on the context's setting for freelist_max_len). */
#define SSL_MODE_RELEASE_BUFFERS 0x00000010L
/* Send TLS_FALLBACK_SCSV in the ClientHello.
* To be set by applications that reconnect with a downgraded protocol
* version; see draft-ietf-tls-downgrade-scsv-00 for details. */
* To be set only by applications that reconnect with a downgraded protocol
* version; see draft-ietf-tls-downgrade-scsv-00 for details.
*
* DO NOT ENABLE THIS if your application attempts a normal handshake.
* Only use this in explicit fallback retries, following the guidance
* in draft-ietf-tls-downgrade-scsv-00.
*/
#define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080L
/* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,