P-334U/P-335U User’s Guide

Figure 79 Services

The following table describes the labels in this screen.

Table 46 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

The ZyXEL Device will not respond to any incoming Ping requests when Disable is

on

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.

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Chapter 11 Firewall