ZyXEL Communications NR2101, User Manual

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Chapter 9 Firewall
NR2101 User’s Guide
90
Figure 93 IPv4 Firewall Entries
The following table describes the labels in this screen.
Table 36 IPv4 Firewall Entries
LABEL DESCRIPTION
IPv4 Firewall Entries
IP Address This field displays the source IPv4 addresses to which this rule applies.
IP Subnet This field displays subnet mask of the IPv4 addresses.
Protocol This field displays the protocol ( None , TCP_UDP , TCP , UDP , ICMP , or ESP ) used to
transport the packets for which you want to apply the rule.
Delete Click Delete to delete an existing firewall rule.
Modify
Click Modify to edit the firewall rule.
Add Entry
You can add a new schedule rule by clicking Add Entry .