+administrator. Note that multiple host options may be used. This will then be
+treated as multiple names/addresses for the same server. When initiating a TCP/TLS
+connection, all addresses of all names may be attempted, but there is no failover
+between the different host values. For failover one must use separate server
+blocks.
+ </para>
+ <para>
+Note that the name of the block, or values of host options may include a
+port number (separated with a column). This port number will then override the
+default port or a port option in the server block. Also note that literal IPv6
+addresses must be enclosed in brackets.