-\fBssl:\fIip\fR[\fB:\fIport\fR]
-The specified SSL \fIport\fR (default: 6633) on the host at the given
-\fIip\fR, which must be expressed as an IP address (not a DNS name).
-SSL must be configured when this form is used (see \fBSSL
-Configuration\fR, below).
-.
-.TP
-\fBtcp:\fIip\fR[\fB:\fIport\fR]
-The specified TCP \fIport\fR (default: 6633) on the host at the given
-\fIip\fR, which must be expressed as an IP address (not a DNS name).
-.TP
-\fBunix:\fIfile\fR
-The Unix domain server socket named \fIfile\fR.