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Page 71 / 218 Scroll up to view Page 66 - 70
ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
Wireless Configuration
4-17
v1.0, October 2008
4.
Connect Ethernet cable(s) from the LAN ports on your firewall to a LAN port on your switch.
5.
Connect the power adapter to the SRXN3205 and plug the power adapter in to a AC power
outlet. The PWR, Test, LAN, WAN, and Wireless LAN LEDs should light up.
6.
Verify you still have wireless connections to the SRXN3205.
7.
If you want to fine tune the overall performance of the Wireless Settings for your environment,
refer to
“Advanced Wireless Settings” on page 4-17
.
Advanced Wireless Settings
Configuring Advanced Wireless Settings
The Advanced screen of the Wireless Settings menu is used to configure and enable various
wireless LAN parameters for all of the 802.11a/n and 802.11b/g/n modes. The default wireless
LAN parameters usually work well. However, you can use these settings to fine tune the overall
performance of your Wireless Settings for your environment. The Advanced menu in the Wireless
Settings tab is used to configure the Wireless LAN parameters.
To configure Advanced Wireless Options:
1.
Select
Network Configuration
>
Wireless Settings
from main/submenu.
2.
Select
Advanced
on the right side of the menu.
3.
The Advanced Wireless Options screen displays.
4.
Enter the appropriate information in the fields described below:
Note:
By default, SRXN3205 is set with the DHCP client Enabled. If your network
uses dynamic IP addresses, you must change this setting. To connect to the
SRXN3205 after the DHCP server on your network assigns it a new IP
address, enter the VPN firewall name into your Web browser. The default VPN
firewall name is netgearxxxxxx, where xxxxxx represents the last 6 bytes of
the MAC address. The default name is printed on the bottom label of the
SRXN3205.
Page 72 / 218
ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
4-18
Wireless Configuration
v1.0, October 2008
•
RTS Threshold (256 - 2346)
: Request to Send Threshold. The packet size that is used to
determine if it should use the CSMA/CD (Carrier Sense Multiple Access with Collision
Detection) mechanism or the CSMA/CA mechanism for packet transmission. With the
CSMA/CD transmission mechanism, the transmitting station sends out the actual packet
as soon as it has waited for the silence period. With the CSMA/CA transmission
mechanism, the transmitting station sends out an RTS packet to the receiving station, and
waits for the receiving station to send back a CTS (Clear to Send) packet before sending
the actual packet data. The default is 2346.
•
Fragmentation Length (256 - 2346)
: This is the maximum packet size used for
fragmentation. Packets larger than the size programmed in this field will be fragmented.
The Fragment Threshold value must be larger than the RTS Threshold value. The default
is 2346.
•
Beacon Interval (20 - 1000)
: The Beacon Interval. Specifies the interval time between
100ms and 1000ms for each beacon transmission, which allows the access point to
synchronize the wireless network. The default is 100.
•
Preamble Mode:
A long transmit preamble may provide a more reliable connection or a
slightly longer range. A short transmit preamble gives better performance. The Automatic
settings automatically handles both long and short preambles. The default is Automatic.
5.
Click
Apply
to enable the Advanced Wireless Options.
Restricting Wireless Access by MAC Address
The optional enabling of the Access Control List lets you block the wireless access privileges of
any specified stations through the firewall. When you enable access control, the SRXN3205 only
accepts connections from wireless clients on the selected access control list. This provides an
additional layer of security.
To restrict access based on MAC addresses:
1.
Click the
Network Configurations > Wireless Settings
in the main/submenu.
2.
Click the
Setup Access List
to the right of the screen.
Note:
If configuring the SRXN3205 from a wireless computer whose MAC address is
not in the access control list, if you select Turn Access Control On, you will lose
your wireless connection when you click
Apply
. You must then access the VPN
firewall from a wired computer or from a wireless computer that is on the access
control list to make any further changes.
Page 73 / 218
ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
Wireless Configuration
4-19
v1.0, October 2008
The Access Control List tab and Available Wireless Stations
tab appear on screen with the
Access Control List tab selected.
3.
Click the radio button for
Yes
in the ACL Enable section
to turn on the Access Control List
feature.
The Trusted Wireless Stations table will show any wireless stations you enter. If you have not
entered any wireless stations to the list, it will be empty. The ACL (Access Control List) does
not need to be enabled to add or delete MAC address to the list.
4.
Click
Apply
to save the state (enabled or disabled) of the ACL (Access Control List).
Select the stations from the list of
Available Wireless Stations
found in your area, or enter the
MAC address of a station to add a new station manually.
5.
To add a MAC address to the Trusted Wireless Station list, type in the MAC address in the
Add New Trusted Station Manually section, in the form of xx:xx:xx:xx:xx:xx to the text box.
You can usually find the MAC address printed on the bottom of the wireless adapter.
6.
Click the
Add
button to the right when you have completed typing.
Now, only devices on this list will be allowed to wirelessly connect to the SRXN3205.
7.
Repeat these steps for each additional device you want to add to the list.
8.
To delete an existing entry, click the
check box
to the left of the entry and then click the
delete
button.
9.
To view the clients currently connected, click the
Available Wireless Stations
tab.
This list auto-populates whether the ACL is enabled or disable and lists the MAC addresses
found within range of this wireless VPN firewall.
Page 74 / 218
ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
4-20
Wireless Configuration
v1.0, October 2008
Page 75 / 218
ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
Firewall Security and Content Filtering
5-1
v1.0, October 2008
Chapter 5
Firewall Security and Content Filtering
This chapter describes how to set up your firewall and use the content filtering features of the
SRXN3205 VPN firewall to protect your network.
This chapter contains the following sections:
•
“About Firewall Security and Content Filtering”
•
“Using Rules & Services to Block or Allow Traffic”
•
“Setting Schedules to Block or Allow Traffic”
•
“Setting Block Sites (Content Filtering)”
•
“Enabling Source MAC Filtering (Address Filter)”
•
“Enabling Port Triggering”
•
“Bandwidth Profile”
•
“UPnP (Universal Plug and Play)”
•
“E-Mail Notifications of Event Logs and Alerts”
•
“Administrator Tips”
About Firewall Security and Content Filtering
The ProSafe Wireless-N VPN Firewall provides you with Web content filtering options, plus
browsing activity reporting and instant alerts via e-mail. Network administrators can establish
restricted access policies based on time-of-day, Web addresses, and Web address keywords. You
can also block Internet access by applications and services, such as chat or games.
A firewall is a special category of router that protects one network (the “trusted” network, such as
your LAN) from another (the untrusted network, such as the Internet), while allowing
communication between the two. You can further segment keyword blocking to certain known
groups (see
“Managing Groups and Hosts (LAN Groups)” on page 3-4
to set up LAN Groups).

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