ZyXEL MAX-306 User Guide - Page 225
Security, Table 90
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Chapter 18 The Remote Management Screens 18.7 Security Click TOOLS > Remote Management > Security to control how your WiMAX Device responds to other types of requests. Figure 106 TOOLS > Remote Management > Security The following table describes the labels in this screen. Table 90 TOOLS > Remote Management > Security LABEL DESCRIPTION Respond to Ping Select the interface(s) on which the WiMAX Device should respond to on incoming ping requests. Do not respond to requests for unauthorized services • Disable - the WiMAX Device does not respond to any ping requests. • LAN - the WiMAX Device only responds to ping requests received from the LAN. • WAN - the WiMAX Device only responds to ping requests received from the WAN. • LAN & WAN - the WiMAX Device responds to ping requests received from the LAN or the WAN. Select this to prevent outsiders from discovering your WiMAX Device by sending requests to unsupported port numbers. If an outside user attempts to probe an unsupported port on your WiMAX Device, an ICMP response packet is automatically returned. This allows the outside user to know the WiMAX Device exists. Your WiMAX Device supports antiprobing, which prevents the ICMP response packet from being sent. This keeps outsiders from discovering your WiMAX Device when unsupported ports are probed. Apply Reset If you clear this, your WiMAX Device replies with an ICMP Port Unreachable packet for a port probe on unused UDP ports and with a TCP Reset packet for a port probe on unused TCP ports. Click to save your changes. Click to restore your previously saved settings. User's Guide 225