Sitecom WL-326 User Manual page 37

Denial of Service (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.
Ping of Death Protections from Ping of Death attack
Discard Ping From WAN The router's WAN port will not respond to any Ping
requests
Port Scan Protects the router from Port Scans.
Sync Flood Protects the router from Sync Flood attack.