Figure 11-8 Security; Table 11-7 Security - ZyXEL Communications P-324 User Manual

Prestige 324 User's Guide
If an outside user attempts to probe an unsupported port on your Prestige, an ICMP response packet is
automatically returned. This allows the outside user to know the Prestige exists. Your Prestige supports anti-
probing, which prevents the ICMP response packet from being sent. This keeps outsiders from discovering
your Prestige when unsupported ports are probed.
The following table describes the labels in this screen.
LABEL
ICMP
Respond to Ping
on
11-12

Figure 11-8 Security

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.
The Prestige 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.

Table 11-7 Security

DESCRIPTION
Remote Management Screens