Billion BiPAC 7800NXL Router Manual PDF (Setup & Configuration Guide)

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88

Keywords Filtering:

Allow blocking against specific keywords within a particular URL rather than

having to specify a complete URL (e.g.to block any image called “advertisement.gif”). When enabled,

your specified keywords list will be checked to see if any keywords are present in URLs accessed to

determine if the connection attempt should be blocked. Please note that the URL filter blocks web

browser (HTTP) connection attempts using port 80 only.

Domains Filtering:

This function checks the whole URL address but not the IP address against

your list of domains to block or allow. If it is matched, the URL request will either be sent (Trusted) or

dropped (Forbidden).

Restrict URL Features:

Click Block Java Applet to filter web access with Java Applet components.

Click Block ActiveX to filter web access with ActiveX components. Click Block Cookie to filter web

access with Cookie components. Click Block Proxy to filter web proxy access.

Exception IP Address:

You can input a list of IP addresses as the exception list for URL filtering.

Log:

Select Enable for this option if you will like to capture the logs for this URL filter policy.

Keywords Filtering

Click

to add the keywords.

Enter the Keyword, for example image, then click

Add.

You can add other keyword like this. The keywords you add will be listed as above. If you want to

reedit the keyword, press the Edit radio button left beside the item, and the word will listed in the

Keyword field, edit, then press

Edit/Delete

to confirm.

If you want to delete certain keyword, check

Delete checkbox right beside the item, and press

Edit/Delete

. Click

Return

to be back to the

previous page.

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89

Domain Filtering

Click

to add Domains.

Domains Filtering:

enter the domain you want this filter applies to.

Type:

select the action this filter deals with the Domain.

L

Forbidden Domain:

the domain is the forbidden to access.

L

Trusted Domain:

the domain is trusted and allowed access.

Enter a domain and select whether this domain is trusted or forbidden with the pull-down menu. Next,

click

Add

. Your new domain will be added to either the Trusted Domain or Forbidden Domain listing,

depending on which you selected previously. For specific process, please refer to

Keywords

filtering.

Exception IP Address

Click

to add the IP Addresses.

Enter the except IP address. Click

Add

to save your changes. The IP address will be entered into

the Exception List, and excluded from the URL filtering rules in effect. For specific process, please

refer to

Keywords filtering.

At the URL Filter page, press

Apply

to confirm your settings.

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90

QoS - Quality of Service

QoS helps you to control the data upload traffic of each application from LAN (Ethernet) to WAN

(Internet). It facilitates you the features to control the quality and speed of throughput for each

application when the system is running with full upstream load.

Quality of Service:

Check to activate this function and the following field will be available.

If Enable QoS checkbox is selected, choose a default DSCP mark to automatically mark incoming

traffic without reference to a particular classifier.

If Enable Qos checkbox is not selected, all QoS will be disabled for all interfaces.

Select Default DSCP Mark:

Select the default DSCP mark from the list-box. Differentiated Services

Code Point (DSCP) is the first 6 bits in the ToS byte. DSCP Mark allows users to classify the traffic

of the application to be executed according to the DSCP value. The default DSCP mark is used to

mark all egress packets that do not match any classification rules.

Note: Before configuring Queue config and QoS Classification section, you must enable QoS

function, for the reason that the queues’ activation will depend on this, the classification will also

depend on this.

The corresponding IP precedence and DSCP mapping table is listed below.

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91

IP Precedence and DSCP Mapping Table

Mapping Table

Default (000000)

Best Effort

EF(101110)

Expedited Forwarding

AF11 (001010)

Assured Forwarding Class1(L)

AF12 (001100)

Assured Forwarding Class1(M)

AF13 (001110)

Assured Forwarding Class1(H)

AF21 (010010)

Assured Forwarding Class1(L)

AF22 (010100)

Assured Forwarding Class1(M)

AF23 (010110)

Assured Forwarding Class1(H)

AF31 (011010)

Assured Forwarding Class1(L)

AF32 (011100)

Assured Forwarding Class1(M)

AF33 (011110)

Assured Forwarding Class1(H)

AF41 (100010)

Assured Forwarding Class1(L)

AF42 (100100)

Assured Forwarding Class1(M)

AF43 (100110)

Assured Forwarding Class1(H)

CS1(001000)

Class Selector(IP precedence)1

CS2(010000)

Class Selector(IP precedence) 2

CS3(011000)

Class Selector(IP precedence)3

CS4(100000)

Class Selector(IP precedence) 4

CS5(101000)

Class Selector(IP precedence) 5

CS6(110000)

Class Selector(IP precedence) 6

CS7(111000)

Class Selector(IP precedence) 7

DSCP indicates three kinds of service, Class Selector (CS), Assured Forwarding (AF) and Expedited

Forwarding (EF). AF1, AF2, AF3 and AF4 are four kinds of assured forwarding services. Each AF

has three different packet loss priorities from high, medium, to low. Also, CS1-CS7 indicates the IP

precedence.

Click

Apply

to confirm the settings.

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92

Queue Config

Queue is a technology of managing congestion providing precautions with the packets storing and

scheduling. Queue Config allows you to configure a QoS queue entry and assign it to a specific

network interface. Each queue entry set here will be used by the classfier to place ingress packets

appropriately.

Note:

the interface set in the

WAN

>

WAN Interface

will be list as Default Queue here, and the

parameters listed above can be configured there. For detail, please turn to

WAN

>

WAN

Interface

section for help. You can also add other queues to the ATM and PTM interfaces despite of the

default queue.

And Wireless Service queue will be enabled by default if you enable wireless. Also if you enable

virtual APs, the corresponding WMM service queues will be enabled as well.

Name:

the queue name.

Key:

the item number.

Interface:

the queue interface.

Scheduler

Algorithm:

the QoS Scheduler Algorithm, SP(Strict Priority) or WFQ(Weight Fair

Queuing)

Precedence:

the priority identification.

Weight:

the weight value, 1-63. the highest is 63.

PTM Priority:

the PTM priority, normal or high.

Enable:

check the enable check-box, then press

Enable

to activate the queue. If you want to

disable this queue, you can uncheck the corresponding check-box and press Enable, the queue will

be disabled.

If the queue is enabled, you will see a tick, like

. Otherwise, the queue is disabled.

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