.RB [ \-n
.IR tunnel ]
.br
.RB [ \-n
.IR tunnel ]
.br
.RB [ \-U
.IR user ]
.RB [ \-G
.RB [ \-U
.IR user ]
.RB [ \-G
.RB [ \-T
.IR trace-opts ]
.br
.RB [ \-T
.IR trace-opts ]
.br
.RB [ \-k
.IR priv-keyring ]
.RB [ \-K
.RB [ \-k
.IR priv-keyring ]
.RB [ \-K