The Firewall Screen; The Protocol Screen - ZyXEL Communications P-660HN-51 - V1.10 Manual

10.2 The Firewall Screen

Use this screen to set the security level of the firewall on the ZyXEL Device.
Firewall rules are grouped based on the direction of travel of packets to which they
apply.
Click Security Settings > Firewall to display the following screen. Select a
direction of travel of packets for which you want to configure firewall rules.
Figure 58 Security Settings > Firewall
The following table describes the labels in this screen.
Table 39 Security Settings > Firewall
LABEL
Low
Medium
High
Apply
Cancel

10.3 The Protocol Screen

You can configure customized services and port numbers in the Protocol screen.
For a comprehensive list of port numbers and services, visit the IANA (Internet
Assigned Number Authority) website. See
examples.
P-660HN-51 User's Guide
DESCRIPTION
Select Low to allow LAN to WAN and WAN to LAN packet directions.
Select Medium to allow LAN to WAN but deny WAN to LAN packet
directions.
Select High to deny LAN to WAN and WAN to LAN packet directions.
Click Apply to save your changes.
Click Cancel to restore your previously saved settings.
Appendix E on page 347
Chapter 10 Firewall
for some
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