>
</DT>
<DD>
A literal IPv6 address enclosed in square brackets, such as <B>
[::1]</B><BR>
</DD>
<DT>
<B>IPV4</B>
</DT>
<DD>
A literal IPv4 address, such as <B> 10.0.0.1</B><BR>
</DD>
<DT>
<B>HOSTNAME</B>
</DT>
<DD>
A hostname to be looked up using the resolver.<BR>
</DD>
<DT>
<B>:PORT</B>
</DT>
<DD>
Connect to a specified decimal port number, rather than the default
of 3632.<BR>
</DD>
<DT>
<B>@HOSTID</B>
</DT>
<DD>
Connect to the host over SSH, rather than TCP.  Options for the
SSH connection can be set in