ZyXEL Communications 10 - Manual (Page 209)

ZyWALL 10~100 Series Internet Security Gateway
Creating Custom Rules 16-13
Table 16-3 Creating/Editing A Firewall Rule
FIELD DESCRIPTION OPTIONS
Packet Direction Use the drop-down list box to select the direction of packet
travel to which you want to apply this firewall rule. LAN to LAN/ZyWALL
LAN to WAN
LAN to DMZ
WAN to WAN/ZyWALL
WAN to LAN
WAN to DMZ
DMZ to DMZ/ZyWALL
DMZ to LAN
DMZ to WAN
Source Address Click SrcAdd to add a new address, SrcEdit to edit an
existing one or SrcDelete to delete one. Please see the
next section for more information on adding and editing
source addresses. SrcAdd
SrcEdit
SrcDelete
Destination
Address Click DestAdd to add a new address, DestEdit to edit an
existing one or DestDelete to delete one. Please see the
following section on adding and editing destination
addresses. DestAdd
DestEdit
DestDelete
Services
Available/Selected
Services
Please see Table 16-2 for more information on services
available. Highlight a service from the Available Services
box on the left, then click >> to add it to the Selected
Services box on the right. To remove a service, highlight it
in the Selected Services box on the right, then click <<. >>
<<
Custom Port
Add Click this button to bring up the screen that you use to
configure a new custom service that is not in the
predefined list of services.
Edit Select a custom service (denoted by an “*”) from the
Available Services list and click this button to edit the
service.
Delete Select a custom service (denoted by an “*”) from the
Available Services list and click this button to remove the
service.
Action for
Matched Packets Should packets that match this rule be blocked or
forwarded? Make your choice from the drop down list box.
Note that Block means the firewall silently discards the
packet. Block
Forward