ZyXEL Communications LTE3202-M430 User Manual page 70

Figure 47 Configuration > Firewall > IPv4/Port Filter
The following table describes the labels in this screen.
Table 30 Configuration > Firewall > IPv4/Port Filter
LABEL DESCRIPTION
IPv4 Port Filter
Enable IPv4 Port Select the check box to enable the rule.
Filter
IPv4 Port Filter Select IPv4 Whitelist description to allow packets that match the filtering rules defined on this
Policy screen to pass through. Select IPv4 Blacklist description to block packets that match the filtering
rules defined on this screen.
Blacklist/ This displays how many entries you have in the Whitelist/Blacklist summary tables.
Whitelist
Add New Click Add New to create a new rule.
This field displays the rule index number.
Source IP This field displays the source IPv4 addresses to which this rule applies.
Port This field displays a single port number of the source or a port range.
Enter the port number/range of the source that define the traffic type, for example TCP port 80
defines web traffic.
Protocol This field displays the protocol (TCP, UDP, TCP+UDP or any) used to transport the packets for
which you want to apply the rule.
Dest. IP This field displays the destination IPv4 addresses to which this rule applies.
Port This field displays a single port number of the destination or a port range.
Enter the port number/range of the destination that define the traffic type, for example TCP port
80 defines web traffic.
Comment Enter descriptions of the rule in this field.
Action Click Edit to go to the screen where you can edit the filtering rule.
Click Delete to remove the filtering rule.
Apply Click Apply to save your changes back to the LTE3202-M430.
Cancel Click Cancel to reload the previous configuration for this screen.
Chapter 9 Firewall
LTE3202-M430 User's Guide
70