Siemens E-110-I user manual Firewall, IP Filters and Blocked Protocols, Firewall Configuration

SIEMENS ADSL E-110_E-110-I user manual

Firewall, IP Filters and Blocked Protocols

Firewall Configuration

Configuration Manager provides built-in firewall functions, enabling you to protect the system against denial of service (DoS) attacks and other types of malicious accesses to your LAN. You can also specify how to monitor attempted attacks, and who should be automatically notified.

1.Select Services > FireWall. The FireWall Configuration page displays.

2.Configure any of the following settings:

Field	Description
Blacklist Status	If you want the device to maintain and use a blacklist, click Enable. Click
	Disable if you do not want to maintain a list.
Blacklist Period(min)	Specifies the number of minutes that a computer's IP address will
	remain on the blacklist.
Attack Protection	Click Enable to use the built-in firewall protections that prevent the
	following common types of attacks:
	IP Spoofing: Sending packets over the WAN interface using an
	internal LAN IP address as the source address.
	Tear Drop: Sending packets that contain overlapping fragments.
	Smurf and Fraggle: Sending packets that use the WAN or LAN IP
	broadcast address as the source address.
	Land Attack: Sending packets that use the same address as the
	source and destination address.
	Ping of Death: Illegal IP packet length.
DOS Protection	Click Enable to use the following denial of service protections:
	SYN DoS
	ICMP DoS
	Per-host DoS protection

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