aboutsummaryrefslogtreecommitdiffstats
path: root/doc/apps/s_client.pod
diff options
context:
space:
mode:
authorBodo Moeller <bodo@openssl.org>2014-10-15 10:43:50 +0200
committerBodo Moeller <bodo@openssl.org>2014-10-15 10:43:50 +0200
commitfb0e87fb67a358b40a1d56d2df3a611a09899780 (patch)
treecb2a2a4b0136e83469283bae50b5b5b8bdff984a /doc/apps/s_client.pod
parentcf6da05304d554aaa885151451aa4ecaa977e601 (diff)
downloadopenssl-fb0e87fb67a358b40a1d56d2df3a611a09899780.tar.gz
Add TLS_FALLBACK_SCSV documentation, and move s_client -fallback_scsv
handling out of #ifndef OPENSSL_NO_DTLS1 section. Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'doc/apps/s_client.pod')
-rw-r--r--doc/apps/s_client.pod14
1 files changed, 10 insertions, 4 deletions
diff --git a/doc/apps/s_client.pod b/doc/apps/s_client.pod
index 8f64f49dd0..2057dc86e0 100644
--- a/doc/apps/s_client.pod
+++ b/doc/apps/s_client.pod
@@ -64,6 +64,9 @@ B<openssl> B<s_client>
[B<-no_ssl2>]
[B<-no_ssl3>]
[B<-no_tls1>]
+[B<-no_tls1_1>]
+[B<-no_tls1_2>]
+[B<-fallback_scsv>]
[B<-bugs>]
[B<-cipher cipherlist>]
[B<-serverpref>]
@@ -245,16 +248,19 @@ Use the PSK key B<key> when using a PSK cipher suite. The key is
given as a hexadecimal number without leading 0x, for example -psk
1a2b3c4d.
-=item B<-ssl2>, B<-ssl3>, B<-tls1>, B<-no_ssl2>, B<-no_ssl3>, B<-no_tls1>
+=item B<-ssl2>, B<-ssl3>, B<-tls1>, B<-no_ssl2>, B<-no_ssl3>, B<-no_tls1>, B<-no_tls1_1>, B<-no_tls1_2>
these options disable the use of certain SSL or TLS protocols. By default
the initial handshake uses a method which should be compatible with all
servers and permit them to use SSL v3, SSL v2 or TLS as appropriate.
-Unfortunately there are a lot of ancient and broken servers in use which
+Unfortunately there are still ancient and broken servers in use which
cannot handle this technique and will fail to connect. Some servers only
-work if TLS is turned off with the B<-no_tls> option others will only
-support SSL v2 and may need the B<-ssl2> option.
+work if TLS is turned off.
+
+=item B<-fallback_scsv>
+
+Send TLS_FALLBACK_SCSV in the ClientHello.
=item B<-bugs>