ZyXEL Communications LTE2566-M634 User Manual page 91

The following table describes the labels in this screen.
Table 37 Configuration > Firewall > ICMP
LABEL DESCRIPTION
ICMP Protection 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. Select Ping from LAN to reply to incoming LAN Ping requests. Select Ping from WAN to
reply to incoming WAN Ping requests. Otherwise select both Ping from LAN & WAN to reply to
all incoming LAN and WAN Ping requests.
Apply Click Apply to save the settings.
Chapter 13 Firewall
LTE2566-M634 User's Guide
91