X8821e/X8821m / X8824e/X8824m User’s Guide
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Figure 28: Security Configuration – IP filter
IP filtering global settings:
Select the direction to filter packets, outbound (outgoing) traffic, inbound
(incoming) traffic, or both
Select the Port Filter Rule or IP Validator Rule. The port fitter rule needs the
packet type (protocol: TCP, UDP, ICMP, GRE) and also the port range. The IP
validator rule needs the IP address which can be a single IP address or a subnet.
