=item B<SslPrivateKeyFile>: <file>

Applies to B<execute> and B<get-url>.

B<SslPrivateKeyFile> is required when B<SslUseCertificate> is
enabled.  This control specifies the name of a PEM (Privacy Enhanced
Mail) encoded key file that can be used to sign SSL certificates.
B<SslPrivateKeyFile> may be specified as a relative path.

