Chapter 12 Firewall
NBG-418N v2 User’s Guide
113
Figure 79 Security > Firewall > General
The following table describes the labels in this screen.
12.5 Services Screen
Use the Services screen to enable or disable ICMP and VPN passthrough features.
Click Security > Firewall > Services. The screen appears as shown next.
Figure 80 Security > Firewall > Services
The following table describes the labels in this screen.
Table 47 Security > Firewall > General
LABEL DESCRIPTION
Enable Firewall Select the Enable Firewall check box to activate the firewall. The NBG-418N v2 performs
access control and protects against Denial of Service (DoS) attacks when the firewall is
activated.
Apply Click Apply to save the settings.
Reset Click Reset to start configuring this screen again.
Table 48 Security > Firewall > Services
LABEL DESCRIPTION
ICMP Internet Control Message Protocol (ICMP) 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 WAN
The NBG-418N v2 will not respond to any incoming Ping requests when Disable is
selected. Select Enable to reply to incoming WAN Ping requests.
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