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authorBodo Moeller <bodo@openssl.org>2014-10-21 22:39:26 +0200
committerBodo Moeller <bodo@openssl.org>2014-10-21 22:39:26 +0200
commit981545e1e77c049baff7d3417993210d3b06b7e8 (patch)
tree27cfc97bfcae0d759cae2e33faa15c2b73f24a2f /ssl/ssl.h
parentd60de314f4d72bfa25183e7de8aac576deb07ed2 (diff)
Fix and improve SSL_MODE_SEND_FALLBACK_SCSV documentation.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'ssl/ssl.h')
-rw-r--r--ssl/ssl.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/ssl/ssl.h b/ssl/ssl.h
index 2e0df6625d..9e3ca9d3f2 100644
--- a/ssl/ssl.h
+++ b/ssl/ssl.h
@@ -682,8 +682,13 @@ struct ssl_session_st
#define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020L
#define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040L
/* 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
/* Cert related flags */