This directive is ignored with Mozilla NSS.
+H4: TLSECName <name>
+
+This directive specifies the curve to use for Elliptic Curve
+Diffie-Hellman ephemeral key exchange. This is required in order
+to use ECDHE-based cipher suites in OpenSSL. The names of supported
+curves may be shown using the following command
+
+> openssl ecparam -list_curves
+
+This directive is not used for GnuTLS and is ignored with Mozilla NSS.
+For GnuTLS the curves may be specified in the ciphersuite.
+
H4: TLSVerifyClient { never | allow | try | demand }
This directive specifies what checks to perform on client certificates