ZyXEL Communications VSG1432-B101 Series User Manual
Chapter 16 Firewall
VSG1432-B101 Series User’s Guide
223
Select Protocol
Select the transport layer protocol that defines your customized port
from the drop-down list box. The specific protocol rule sets you add in
the Security Settings > Firewall > Protocol > Add screen display
in this list.
from the drop-down list box. The specific protocol rule sets you add in
the Security Settings > Firewall > Protocol > Add screen display
in this list.
If you want to configure a customized protocol, select Specific
Protocol.
Protocol.
Protocol
This field is displayed only when you select Specific Protocol in
Select Protocol.
Select Protocol.
Choose the IP port (TCP/UDP, TCP, UDP, or ICMP) that defines your
customized port from the drop-down list box.
customized port from the drop-down list box.
Custom Source
Port
Port
This field is displayed only when you select Specific Protocol in
Select Protocol.
Select Protocol.
Enter a single port number or the range of port numbers of the source.
Custom
Destination Port
Destination Port
This field is displayed only when you select Specific Protocol in
Select Protocol.
Select Protocol.
Enter a single port number or the range of port numbers of the
destination.
destination.
Policy
Use the drop-down list box to select whether to discard (DROP), deny
and send an ICMP destination-unreachable message to the sender of
(REJECT) or allow the passage of (ACCEPT) packets that match this
rule.
and send an ICMP destination-unreachable message to the sender of
(REJECT) or allow the passage of (ACCEPT) packets that match this
rule.
Direction
Use the drop-down list box to select the direction of traffic to which
this rule applies.
this rule applies.
Enable Rate Limit Select this check box to set a limit on the upstream/downstream
transmission rate for the specified protocol.
Specify how many packets per minute or second the transmission rate
is.
is.
Scheduler Rules
Select a schedule rule for this ACL rule form the drop-down list box.
You can configure a new schedule rule by click Add new rule. This
will bring you to the Security Settings > Scheduler Rules screen.
You can configure a new schedule rule by click Add new rule. This
will bring you to the Security Settings > Scheduler Rules screen.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to exit this screen without saving.
Table 69 Security Settings > Firewall > Access Control > Add/Edit (continued)
LABEL
DESCRIPTION