Delete A Keyword Or Domain; Specify A Trusted Computer; Firewall Rules To Control Network Access; Remote Computer Access Basics - NETGEAR N150 User Manual

N150 wireless adsl2+ modem router
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Delete a Keyword or Domain

To delete a keyword or domain:
Select the keyword you want to delete from the list.
1.
Click Delete Keyword and click Apply to save your changes.
2.

Specify a Trusted Computer

You can exempt one trusted computer from blocking and logging. That computer has to be
configured to use a a fixed IP address.
To specify a trusted computer:
In the Trusted IP Address field, enter the IP address.
1.
Click Apply to save your changes.
2.

Firewall Rules to Control Network Access

By default your router blocks any inbound traffic from the Internet to your computers except
for replies to your outbound traffic. You might need to create exceptions to this rule to allow
remote computers to access a server on your local network or to allow certain applications
and games to work correctly. Your router provides firewall rules for creating these exceptions.
Authorized communications are established according to inbound and outbound rules. The
firewall has the following two default rules. You can create custom rules to further restrict the
outbound communications or more widely open the inbound communications:
Inbound. Block all access from outside except responses to requests from the LAN side.
Outbound. Allow all access from the LAN side to the outside.

Remote Computer Access Basics

When a computer on your network needs to access a computer on the Internet, your
computer sends your router a message containing the source and destination address and
process information. Before forwarding your message to the remote computer, your router
has to modify the source information and create and track the communication session so that
replies can be routed back to your computer.
Here is an example of normal outbound traffic and the resulting inbound responses:
You open a browser and your operating system assigns port number 5678 to this
1.
browser session.
You type
2.
http://www.example.com
request message with the following address and port information. The request message is
sent to your router.
Source address. Your computer's IP address.
N150 Wireless ADSL2+ Modem Router DGN1000
into the URL box and your computer creates a Web page
Security Settings
45

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