BG9008W User Manual
Page 36 of 133
intended victim's spoofed source IP address. Check the box to
enable
Fraggle Defense
.
►
Enable Smurf Defense:
The Smurf Attack is a denial-of-service attack in which large
numbers of Internet Control Message Protocol (ICMP) packets
with the intended victim's spoofed source IP are broadcast to a
computer network using an IP Broadcast address. Check the
box to enable
Smurf Defense
.
3.4.4.2 Service
Type
Service Type
defines the entry with protocol and port range, which can be chosen in Internet
Access-Ctrl page. Choose the menu
Data Service
→
Firewall Config
→
Service Type
to load the
following page.
Figure 3-46 View Service Type Configuration
Click the
Index
in the entry you want to modify. If you want to delete the entry, select it and click the
Del
.
Click the
Add
button to add a new entry.
Figure 3-47 Add or Modify Service Type Entry
The following items are displayed on this screen:
►
Name:
Name of this entry, it will be list in Internet Access-Ctrl page.
►
Protocol:
Select the protocol for this entry. Four types are provided: TCP, UDP, ICMP and ALL.
►
Port Range:
Configure the port range for this entry.
►
Description:
Enter a description string for this entry
3.4.4.3 Internet
Access-Ctrl
Each sub-page under this page is used to control Internet access.
3.4.4.3.1 Access Control
This sub-page is used to control Internet access through IP, port, and time.
Choose the menu
Data Service
→
Firewall Config
→
Internet Access-Ctrl
→
Access Control
to load the
following page.
