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-rw-r--r--doc/apps/s_client.pod8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/apps/s_client.pod b/doc/apps/s_client.pod
index 32476acfc3..e8cc8712d2 100644
--- a/doc/apps/s_client.pod
+++ b/doc/apps/s_client.pod
@@ -43,6 +43,7 @@ B<openssl> B<s_client>
[B<-sess_out filename>]
[B<-sess_in filename>]
[B<-rand file(s)>]
+[B<-serverinfo types>]
=head1 DESCRIPTION
@@ -256,6 +257,13 @@ 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.
+
=back
=head1 CONNECTED COMMANDS