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Billion 810VGTX Router
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User Management
In order to prevent unauthorized access to your router’s configuration interface, it requires that all users login to the
GUI with a password. You can set up multiple user accounts, each with their own password. You can Edit any existing
user accounts and Add new user account to grant access to the device configuration interface.
Edit Account Information
You can change the information of any account whether the account is active or not.
1.
To edit an account, select the Edit radio button of the account to be edited. Once selected, all information of that
account will be displayed.
2.
Change the information that needs to be edited.
3.
When this is done, simply click on the Edit/ Delete button to save your changes.
Note: It is recommended that you change the password immediately to prevent a security breach into your GUI.
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Billion 810VGTX Router
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To Add an Account
1.
Check the Valid checkbox, fill in all the information: User name, Comment (optional), Password, and Confirm
Password.
2.
When this is done, click the Add button.
To delete a user Account:
1.
Click on the Delete radio button of the account you want to delete.
2.
Then click the Edit/Delete button to confirm the deletion.
Note: You can delete any user account except for the default admin account. Thus there is no delete radio button
available for this account.
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Billion 810VGTX Router
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°
When using Virtual Server, your PC will become exposed to a certain degree
to unknown users if specific ports are opened in the firewall packet filter
setting. The degree of exposure depends on the parameter set in the Virtual
Server setting.
Firewall and Access Control
Your router includes a full SPI (Stateful Packet Inspection) firewall to control Internet access on your network. This
feature also protects your system from being attacked by hackers. When using NAT, the router acts as a “natural”
Internet firewall, as all PCs on your LAN will have their own private IP address which is not directly accessible from the
Internet. The router provides three levels of security support.
NAT natural firewall:
This masks LAN users’ IP addresses which are invisible to users on the Internet, thus making it
more difficult for a hacker to target a machine on your network. This natural firewall is turned on when the NAT function
is enabled.
Firewall Security and Policy (General Settings):
Inbound direction of Packet Filter rules to prevent unauthorized
computers or applications from accessing your local network from the Internet.
Intrusion Detection:
Enable Intrusion Detection to detect, prevent and log malicious attacks.
Access Control:
Prevent access from computers on your local network:
Firewall Security and Policy (General Settings):
Outbound direction of Packet Filter rules to prevent unauthorized
computers or applications from accessing the Internet.
URL Filter:
To block computers on your local network from unwanted websites.
The items under the Firewall section are: General Settings, Packet Filter, Intrusion Detection, URL Filter, IM/P2P Blocking
and Firewall Log.
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Billion 810VGTX Router
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°
Any remote user attempting to perform this action may cause all access to the router
to be blocked, which will result in no configuration or managing of the device from
the internet.
General Settings
You can choose to disable Firewall and still be able to access the URL Filter and IM/P2P Blocking or enable the
Firewall using the preset filter rules and modify the port filter rules as required. The Packet Filter is used to filter
packets based on Applications (Port) or IP addresses.
There are four policy options to choose from:
All blocked/User-defined:
no predefined port or address filter rules by default, meaning that all inbound
(Internet to LAN) and outbound (LAN to Internet) packets will be blocked. Users have to add their own filter
rules to access the Internet.
High/Medium/Low security level:
the predefined port filter rules for High, Medium and Low security are
displayed in the Port Filters of the Packet Filter.
Select either High, Medium or Low security level to enable Firewall protection. The only difference between these
three is the preset port filter rules in the Packet Filter. Firewall function is the same for all levels; it is only the list of
preset port filters that changes between each setting. For more detail on level of preset port filter information, please
refer to
Table 1: Predefined Port Filter
.
If you choose the preset security levels and add custom filters, the level of filter rules will be saved and you do not
need to re-configure the rules again if you disable or switch to the other security level.
The “Block WAN Request” is a standalone function that is not affected by whether the security is enabled or
disabled. This is used to prevent any scan tools that might come from hackers.
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Billion 810VGTX Router
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Packet Filter
This function is only available when Firewall is enabled with one of the four security levels selected (All blocked, High,
Medium and Low). The preset port filter rules in the Packet Filter must be modified accordingly to the security
level selected. See Table1: Predefined Port Filter for more detailed information.

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