ZyXEL Communications NWD-210N - FOR MAC V1.00 Guía de usuario Pagina 122

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Chapter 17 Firewall
NBG5715 User’s Guide
122
Click Security > Firewall > Services. The screen appears as shown next.
Figure 74 Security > Firewall > Services l
The following table describes the labels in this screen.
Table 52 Security > Firewall > Services
LABEL DESCRIPTION
LABEL DESCRIPTION
ICMP Internet Control Message Protocol is a message control and error-reporting
protocol between a host server and a gateway to the Internet. ICMP uses
Internet Protocol (IP) datagrams, but the messages are processed by the TCP/IP
software and directly apparent to the application user.
Respond to Ping
on
The NBG5715 will not respond to any incoming Ping requests when Disable is
selected. Select LAN to reply to incoming LAN Ping requests. Select WAN to
reply to incoming WAN Ping requests. Otherwise select LAN & WAN to reply to
all incoming LAN and WAN Ping requests.
Apply Click Apply to save the settings.
Enable Firewall Rule
Enable Firewall
Rule
Select this check box to activate the firewall rules that you define (see Add
Firewall Rule below).
Apply Click Apply to save the settings.
Add Firewall Rule
Service Name Enter a name that identifies or describes the firewall rule.
MAC Address Enter the MAC address of the computer for which the firewall rule applies.
Dest IP Address Enter the IP address of the computer to which traffic for the application or
service is entering.
The NBG5715 applies the firewall rule to traffic initiating from this computer.
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