Sitecom Greyhound AC2600 User Manual page 60

Firewall – DoS
The Broadband router's firewall can block common hacker attacks, including Denial of Service,
Ping of Death, Port Scan and Sync Flood. If Internet attacks occur the router can log the events.
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Ping of Death: Protection from Ping of Death attacks
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Discard Ping From WAN: The router's WAN port will not respond to any Ping requests
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Port Scan: Protects the router from Port Scans.
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Sync Flood: Protects the router from Sync Flood attack.
Click Save & Apply at the bottom of the screen to save the above configuration.