ZyXEL NBG-318S Guida Utente

 Chapter 12 Firewall

NBG-318S User’s Guide

Figure 72   Security > Firewall > Services 

The following table describes the labels in this screen.

Table 50   Security > Firewall > Services

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.