BEC Technologies 7402GTMR4-SCED Router Manual PDF (Setup & Configuration Guide)

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Chapter 4: Configuration

72

URL Filtering

URL (Uniform Resource Locator – e.g. an address in the form of

http://www.abcde.com

or

http://www.example.com

) filter rules allow you to prevent users on your network from accessing

particular websites by their URL. There are no pre-defined URL filter rules; you can add filter rules

to meet your requirements.

Enable/Disable:

To enable or disable URL Filter feature.

Block Mode:

A list of the modes that you can choose to check the URL filter rules. The default is

set to

Disabled.

~

Disabled:

No action will be performed by the Block Mode.

~

Always On:

Action is enabled.

URL filter rules will be monitoring and checking at all hours

of the day.

~

TimeSlot1 ~ TimeSlot16:

It is self-defined time period.

You may specify the time period to

check the URL filter rules, i.e. during working hours. For setup and detail, refer to

Time

Schedule

section.

Keywords Filtering:

Allows blocking by 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.

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Chapter 4: Configuration

73

For example, if the URL is

http://www.abc.com/abcde.html

, it will be dropped as the keyword

“abcde” occurs in the URL.

Domains Filtering: This function checks the domain name only, not the IP address, in URLs

accessed against your list of domains to block or allow. If it is matched, the URL request will

be sent (Trusted) or dropped (Forbidden). For this function to be activated,

both check-boxes

must be checked

. The checking procedure is:

1.

Check the domain in the URL to determine if it is in the trusted list. If yes, the

connection attempt is sent to the remote web server.

2.

If not, check if it is listed in the forbidden list, and if present then the connection attempt

is dropped.

3.

If the packet does not match either of the above two items, it is sent to the remote web

server.

4.

Please be note that the domain only should be specified, not the full URL. For example

to block traffic to

www.sex.com

, enter “sex” or “sex.com” instead of “www.sex.com”. In

the example below, the URL request for

www.abc.com

will be sent to the remote web

server because it is listed in the trusted list, whilst the URL request for

www.sex

or

www.sex.com

will be dropped, because sex.com is in the forbidden list.

Restrict URL Features:

This function enhances the restriction to your URL rules.

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Chapter 4: Configuration

74

Example:

Andy wishes to disable all WEB traffic except for ones listed in the trusted domain,

which would prevent Bobby from accessing other web sites.

Andy selects both functions in the

Domain Filtering

and thinks that it will stop Bobby.

But Bobby

knows this function,

Domain Filtering

, ONLY disables all WEB traffic except for

Trusted Domain,

BUT not its

IP address.

If this is the situation,

Block surfing by IP address

function can be

handy and helpful to Andy.

Now, Andy can prevent Bobby from accessing other sites.

~

Block Java Applet:

This function can block Web content that includes the Java Applet. It is

to prevent someone who wants to damage your system via standard HTTP protocol.

~

Block surfing by IP address:

Preventing someone who uses the IP address as URL for

skipping

Domains Filtering

function.

Activates only and if

Domain Filtering

enabled.

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Chapter 4: Configuration

75

Firewall Log

Firewall Log display log information of any unexpected action with your firewall settings.

Check the

Enable

box to activate the logs.

Log information can be seen in the

Status – Event Log

after enabling.

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Chapter 4: Configuration

76

VPN (Virtual Private Networks) (VPN Router Only)

Virtual Private Networks is ways to establish secured communication tunnels to an organization’s

network via the Internet. Your router supports three main types of VPN (Virtual Private Network),

PPTP

,

IPSec

and

L2TP.

PPTP (Point-to-Point Tunneling Protocol)

There are two types of PPTP VPN supported;

Remote Access

and

LAN-to-LAN

(please refer

below for more information.). Click

Create

to configure a new VPN connection.

After you have created PPTP connection, account status will be displayed. (See example above).

~

Enable / Disable:

This function activates or deactivates the PPTP connection.

To wish

interrupting the tunnel, check

Disable

radio button and click

Apply

button to deactivate the

connection.

Name:

This is the user-defined name of the connection.

Type:

This refers to your router operates as a client or a server,

Dialout

or

Dialin

in respectively.

Status:

It informs your PPTP tunnel connection condition.

Rate

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