D-Link DBG-2000 Product Manual - Page 91

Accept UDP connections

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DBG-2000 User Guide Accept UDP connections SYN flood detect rate Echo storm ICMP flood Enter the number of UDP connections simultaneously accepted by the gateway from a single computer on the LAN. You can select any number between 25 to 500. This field is available when you enable Block UDP flood. DoS Attacks Enter the rate at which the SYN flood can be detected. Enter the number of ping packets per second at which the gateway detects an Echo storm attack from the WAN and prevents further ping traffic from that external address. Enter the number of ICMP packets per second at which the gateway detects an ICMP flood attack from the WAN and prevents further ICMP traffic from that external address. Web Content Filter The gateway offers standard web filtering options to filter out the web page displayed by the domain names. It allows you to create Internet access policies between LAN and WAN. Instead of creating policies based on the type of traffic (as is the case when using firewall rules), webbased content itself can be used to determine if the traffic is allowed or dropped. The fields displayed in the Web content filter list are as follows: Field Name Policy Schedule Scope Filtering type Active Actions Description It displays the name of the policy. It displays the policy rule. It displays the schedule selected for the policy. It displays the scope. It is either Global or Feature. It displays the type of information you want to filter with this policy. You can enable or disable the policy. Note: You can edit this field only when the "Use profile configuration" field is disabled. You can edit or delete the selected web content filter policy. Note: This field is available only when the "Use profile configuration" field is disabled. Click Add to add a new entry. This opens the Add web content filter configuration page. To delete multiple entries, select the checkboxes of the web content filter you want to delete, and click Delete. Note: The Add and Delete options are available only when the "Use profile configuration" field is disabled. 91

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Accept UDP connections
Enter the number of UDP connections simultaneously accepted by the gateway from a
single computer on the LAN. You can select any number between 25 to 500. This field is
available when you enable
.
Block UDP flood
DoS Attacks
SYN flood detect rate
Enter the rate at which the SYN flood can be detected.
Echo storm
Enter the number of ping packets per second at which the gateway detects an Echo storm
attack from the WAN and prevents further ping traffic from that external address.
ICMP flood
Enter the number of ICMP packets per second at which the gateway detects an ICMP flood
attack from the WAN and prevents further ICMP traffic from that external address.
W
e
b
C
o
n
t
e
n
t
F
i
l
t
e
r
The gateway offers standard web filtering options to filter out the web page displayed by the domain names. It allows you to create Internet
access policies between LAN and WAN. Instead of creating policies based on the type of traffic (as is the case when using firewall rules), web-
based content itself can be used to determine if the traffic is allowed or dropped.
The fields displayed in the
are as follows:
Web content filter list
Field
Description
Name
It displays the name of the policy.
Policy
It displays the policy rule.
Schedule
It displays the schedule selected for the policy.
Scope
It displays the scope. It is either Global or Feature.
Filtering type
It displays the type of information you want to filter with this policy.
Active
You can enable or disable the policy.
: You can edit this field only when the “Use profile configuration” field is disabled.
Note
Actions
You can edit or delete the selected web content filter policy.
: This field is available only when the “Use profile configuration” field is disabled.
Note
Click
to add a new entry. This opens the
page. To delete multiple entries, select the checkboxes of the
Add
Add web content filter configuration
web content filter you want to delete, and click
.
Delete
: The
and
options are available only when the “Use profile configuration” field is disabled.
Note
Add
Delete
DBG-2000
User Guide
91