ZyXEL Communications eir F1000 - Page 193

193
eir F1000 Modem User’s Guide
Chapter 13 Firewall
The following table describes the labels in this screen.
Table 80 Access Control: Add/Edit
LABEL
DESCRIPTION
Filter Name
Enter a descriptive name of up to 16 alphanumeric characters, not including spaces,
underscores, and dashes.
You must enter the filter name to add an ACL rule. This field is read-only if you are editing
the ACL rule.
Order
Select the order of the ACL rule.
Select Source
Device
Select the source device to which the ACL rule applies. If you select Specific IP Address,
enter the source IP address in the field below.
Source IP
Address
Enter the source IP address.
Select
Destination
Device
Select the destination device to which the ACL rule applies. If you select Specific IP
Address, enter the destiniation IP address in the field below.
Destination IP
Address
Enter the destination IP address.
IP Type
Select whether your IP type is IPv4 or IPv6.
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 > Firewall > Service >
Add screen display in this list.
If you want to configure a customized protocol, select Specific Service.
Protocol
This field is displayed only when you select Specific Protocol in Select Protocol.
Choose the IP port (TCP/UDP, TCP, UDP, ICMP, or ICMPv6) that defines your customized
port from the drop-down list box.
Custom Source
Port
This field is displayed only when you select Specific Protocol in Select Protocol.
Enter a single port number or the range of port numbers of the source.
Custom
Destination Port
This field is displayed only when you select Specific Protocol in Select Protocol.
Enter a single port number or the range of port numbers of the 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.
Direction
Use the drop-down list box to select the direction of traffic to which 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.
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 > Scheduler
Rules screen.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to exit this screen without saving.