+Unresolved problems
+===================
+
+Inbound rules with source IP does not work, because shorewall
+does not allow rules like:
+
+ SSH(ACCEPT) all:IP_ADDRESS $ZVMBR0VM100:tap100i0
+
+As workaroud, we can create such rule for each BP zone:
+
+ SSH(ACCEPT) $ZVMBR0EXT:IP_ADDRESS $ZVMBR0VM100:tap100i0
+