Zilog EZ80F91GA - Manual (Page 48)

Using the ZGATE Web Interface UM024502-1012
36
ZGATE Embedded Security Development Kit
User Manual
At the top of the page, Filtering Mode and Maximum List Size are displayed. The filtering
mode will be set to one of the following values: Disabled, Whitelist or Blacklist. If the fil-
tering mode is Disabled, ZGATE does not use the corresponding filtering list when decid-
ing if an inbound packet should be forwarded or discarded. If the filtering mode is
Whitelist, ZGATE will route the packet to ZTP if a specific field in that packet matches
one of the entries in the corresponding filtering list. For example, in the context of TCP
Port numbers, ZGATE will only forward received a TCP packet to ZTP if the destination
TCP Port number matches one of the values displayed in the list; otherwise the packet is
Figure 8. TCP Port Number Configuration Page