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authorBodo Moeller <bodo@openssl.org>2014-10-21 22:41:27 +0200
committerBodo Moeller <bodo@openssl.org>2014-10-21 22:41:27 +0200
commit6a04b0d5a432c7156764529d41aea18dea8010f0 (patch)
treec40ed3aa05d4785280ea6d4e9e75d9bc5c204808 /ssl
parent1acca28263f6f16f60c25b97eb82dca61ad5df88 (diff)
Fix and improve SSL_MODE_SEND_FALLBACK_SCSV documentation.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'ssl')
-rw-r--r--ssl/ssl.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/ssl/ssl.h b/ssl/ssl.h
index 6435c5966d..4ea0d80124 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -564,8 +564,13 @@ typedef struct ssl_session_st
/* Don't attempt to automatically build certificate chain */
#define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
/* 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