ZyXEL Communications WAH7608 - Page 80

Chapter 10 Firewall
WAH7608 User’s Guide
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Figure 45 Configuration > Security > Firewall > IPv6 Firewall Entries
The following table describes the labels in this screen.
Table 23 Configuration > Security > Firewall > IPv4/IPv6 Firewall Entries
LABEL DESCRIPTION
# This is your firewall rule number. The ordering of your rules is important as rules are
applied in turn.
Note: The last rule entered is the first rule be applied.
Source IP This is the IP address of the device from which traffic for the application or service is
initialized.
Destination IP This is the IP address of the device to which traffic for the application or service is
entering.
Source from Port This field displays a single port number of the source or the starting port number of a
range.
Enter the first port number in the range of the source that define the traffic type, for
example TCP port 80 defines web traffic.
Note: To enter a single port you can enter it in Source from Port and a 0 in
the Source to Port field. Or you can enter the same port number in
the Source from Port and Source to Port fields. Both options will have
the same behavior.
Source to Port This field displays the ending port number of a range.
Enter the last port number in the range of the source that define the traffic type, for
example TCP port 80 defines web traffic.
Destination from Port This field displays a single port number of the destination or the starting port number
of a range.
Enter the port number/range of the destination that define the traffic type, for
example TCP port 80 defines web traffic.
Note: To enter a single port you can enter it in Destination from Port and a 0
in the Destination to Port field. Or you can enter the same port
number in the Destination from Port and Destination to Port fields.
Both options will have the same behavior.
Destination to Port This field ending port number of a range.
Enter the last port number in the range of the destination that define the traffic type,
for example TCP port 80 defines web traffic.
Protocol This field displays the protocol (ICMP, TCP, UDP, TCP+UDP or None) used to transport
the packets for which you want to apply the rule.
Delete Click the Delete icon to remove the filtering rule.
Add Click Add to create a new rule.