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Figure 72 security > firewall > services, Table 50 security > firewall > services – ZyXEL Communications NBG-318S User Manual

Page 135

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Chapter 12 Firewall

NBG-318S User’s Guide

135

Figure 72 Security > Firewall > Services

The following table describes the labels in this screen.

Table 50 Security > Firewall > Services

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 NBG-318S 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 both

incoming LAN and WAN Ping requests.