diff options
Diffstat (limited to 'openssl/doc/apps/s_client.pod')
| -rw-r--r-- | openssl/doc/apps/s_client.pod | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/openssl/doc/apps/s_client.pod b/openssl/doc/apps/s_client.pod index b021c730c..aad59b181 100644 --- a/openssl/doc/apps/s_client.pod +++ b/openssl/doc/apps/s_client.pod @@ -37,6 +37,9 @@ 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>] @@ -47,6 +50,7 @@ B<openssl> B<s_client> [B<-sess_out filename>] [B<-sess_in filename>] [B<-rand file(s)>] +[B<-serverinfo types>] [B<-status>] [B<-nextprotoneg protocols>] @@ -196,16 +200,19 @@ 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> @@ -261,6 +268,13 @@ Multiple files can be specified separated by a OS-dependent character. The separator is B<;> for MS-Windows, B<,> for OpenVMS, and B<:> for all others. +=item B<-serverinfo types> + +a list of comma-separated TLS Extension Types (numbers between 0 and +65535). Each type will be sent as an empty ClientHello TLS Extension. +The server's response (if any) will be encoded and displayed as a PEM +file. + =item B<-status> sends a certificate status request to the server (OCSP stapling). The server |