Chapter 3 Configuration
37
Src MAC:
Enter the source MAC address.
Dest MAC:
Enter the destination MAC address.
Type:
Enter the Ethernet type.
Block Forward:
Check
Block
if you want to block requests from the source MAC address sending
to the destination MAC address. Check
Forward
if you want to forward requests from the source MAC
address sending to the destination MAC address.
3.4.3.5.3 Intrusion Detection
Check “Enable” if you want to detect invader sneak in your computer without permitted .The ADSL Router
can automatically detect and block the DoS (Denial of Service) attack if user enables this function. This
kind of attack is not to achieve the confidential data of this network; instead, it aims to crush specific
equipment or the entire network. If this happens, the users will not be able to access the network
resources. There are few samples of hacker patterns implemented as below.
-
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
