From 1c4b15458670aea5d3849d4b57b8c0ce34a54fbe Mon Sep 17 00:00:00 2001
From: Matt Caswell <matt@openssl.org>
Date: Fri, 2 Feb 2018 10:17:06 +0000
Subject: [PATCH 1/1] Add MiddleboxCompat option to SSL_CONF_cmd man page

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5244)
---
 doc/man3/SSL_CONF_cmd.pod | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/man3/SSL_CONF_cmd.pod b/doc/man3/SSL_CONF_cmd.pod
index 27317e0652..5179e29bc4 100644
--- a/doc/man3/SSL_CONF_cmd.pod
+++ b/doc/man3/SSL_CONF_cmd.pod
@@ -420,6 +420,12 @@ B<AllowNoDHEKEX>: In TLSv1.3 allow a non-(ec)dhe based key exchange mode on
 resumption. This means that there will be no forward secrecy for the resumed
 session. Equivalent to B<SSL_OP_ALLOW_NO_DHE_KEX>.
 
+B<MiddleboxCompat>: If set then dummy Change Cipher Spec (CCS) messages are sent
+in TLSv1.3. This has the effect of making TLSv1.3 look more like TLSv1.2 so that
+middleboxes that do not understand TLSv1.3 will not drop the connection. This
+option is set by default. A future version of OpenSSL may not set this by
+default. Equivalent to B<SSL_OP_ENABLE_MIDDLEBOX_COMPAT>.
+
 =item B<VerifyMode>
 
 The B<value> argument is a comma separated list of flags to set.
-- 
2.34.1