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General Settings
You can choose not to enable the Firewall and still have access to URL Filter and IM/P2P Blocking, or you
can enable the Firewall using 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 options when you enable the Firewall, they are:
All blocked/User-defined: No pre-defined 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 for further access to the Internet.
High/Medium/Low security level: The predefined port filter rules for High, Medium and Low
security are displayed in Port Filters of Packet Filter.
Select either High, Medium or Low security level to enable the Firewall. The only difference between
these three security levels is the preset port filter rules in the Packet Filter. Firewall functionality is the
same for all levels; it is only the list of preset port filters that changes between each setting. For more
detailed on level of preset port filter information, refer to Table 1: Predefined Port Filter.
If you choose one of the preset security levels and add custom filters, this level of filter rules will be saved
and you do not need to re-configure the rules again if you disable or switch to other firewall level.
The "Block WAN Request" is a stand-alone function and not related to whether security is enabled or
disabled. Mostly this is used to preventing a hacker on the WAN from using any scan tools..
Attempting to perform this action remotely may result in blocking of all
access to configuration and management of the device from the Internet.
Use this with caution when connecting over the WAN
Chapter 4: Configuration
Billion 800VGT Router
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