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• Active: Select Yes from the drop down list box to enable MAC address filtering.
• Action When Matched: Select “Drop” or “Forward”.
• Log: Choose “Yes” if you wish to generate logs when the filer rule is applied to a
packet.
• MAC Address: Enter the MAC addresses you wish to manage.
3.6.3.4.3 Intrusion Detection
The router’s Intrusion Detection System (IDS) is used to detect hacker attacks and intrusion
attempts from the Internet. If the IDS function of the firewall is enabled, inbound packets are
filtered and blocked depending on whether they are detected as possible hacker attacks,
intrusion attempts or other connections that the router determines to be suspicious.
Hacker attack types recognized by the IDS:
• IP Spoofing
• Ping of Death (Length > 65535)
• Land Attack (Same source / destination IP address)
• IP with zero length
• Sync flooding
• Smurf Attack (ICMP Echo with x.x.x.0 or x.x.x.255)
• Snork Attack
• UDP port loop-back
• TCP NULL scan
• Intrusion Detection: Check “Enable” if you wish to detect intruders accessing your
computer without permission.
• Alert Mail: Select this check box to use Alert Mail.