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MBR L13
User’s
Guide
26
This screen presents all of the information relevant to the connected computer, such as connection information,
available services, traffic statistics, and connection list. It also enables you to perform connectivity tests with the
computer. The following sections are included in the screen:
Section
More Info
Services
This section lists the services on the computer that are available to other computers,
either from the LAN, via Web access, or both. Services are accessible only when
enabled on the computer. When a service is accessible from the LAN, you can
activate it by clicking either its name or the URL that appears (see Figure 23). When a
service is accessible via Web access, you can activate it by clicking the Web Access
link that appears. Available services are:
Shared Files
- Access the computer's shared files directory.
HTTP
- Access the computer's HTTP server (if available).
FTP
- Open an FTP session with the computer.
Telnet
- Open a Telnet session with the computer.
Remote Desktop
- Remotely control a Windows based computer with the Remote Desktop
utility.
VNC
Indicates if Virtual Network Computing is supported by the host.
Add Access Control Rule
- Block access to Internet services from the computer, or allow
access if the firewall is set to a "High" security level (for more information, refer to
section
3.7.1.2.)
Add Port Forwarding Rule
- Expose services on the computer to external Internet users (for
more information, refer to section
3.7.1.3).
Connection
Information
This section displays various details regarding the computer's connection settings. To
view the connection's properties, click the network connection type (
Bridge
in the
above example). The relevant properties screen appears. In addition, you can run a
Ping or ARP test by clicking the respective
Test Connectivity
button. The tests are
performed in the
Diagnostics screen (refer to section
3.7.1.9).
Statistics
This section displays the computer's traffic statistics, such as the number and size of
transmitted and received packets.
Connection
List
This section displays the list of connections opened by the computer on the L13
firewall. The table displays the computer's source LAN IP address and port, the
gateway's IP address and port to which it is translated, and the destination WAN IP
address and port.
3.6.2
WiFi
The L13 system can be used as a WiFi router, connecting to wireless devices according to the IEEE 82.11b/g/n
standards. The WLAN interface can be enabled or disabled. The preferred WLAN data rate can be configured to be
either B-G-MIXEDMODE, B-G-N-MIXEDMODE, G-MODE-ONLY, B-MODE-ONLY or N-MODE-ONLY. The wireless access
to the L13 may be allowed or denied for specific wireless clients
MAC addresses.
3.6.2.1
Overview Screen
To see an overview of the WiFi settings, navigate to
Local Network
Wi-Fi
.
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Figure 24: Wi-Fi Overview
3.6.2.2
General Wi-Fi Settings
The general Wi-Fi settings appear at the top of the Wi-Fi screen.
Figure 25: WiFi Overview - General Section
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Configure the fields as follows:
Parameter
More Info
Enable WiFi
Check or uncheck this box to enable or disable the WiFi connection
WiFi Network (SSID)
The L13 supports a single SSID. The system arrives with a default
preconfigured SSID that may be manually changed in this field.
Note: The SSID is case sensitive.
SSID Broadcast
By default, the SSID is broadcast so that all wireless client devices within
range of it can detect it. You can choose to hide the SSID. If you do so, only
client devices that know the SSID will be able to connect to L13, and the SSID
will have to be entered manually on each device in order for it to connect.
Clear this option to turn off broadcasting of the SSID.
802.11 Mode
Select the type of connection. Choose from B-G-MODE, G-MODE-ONLY, B-G-
N-MODE, G-N-MODE, N-MODE-ONLY
Channel
A specific wireless channel, over which the system will operate, can be
chosen. It may also be set up automatically.
Channel Width Mode
This option appears on platforms supporting 802.11n only. At this point
make sure you always work in "20 MHz only".
Network Authentication
Only the 'Open System Authentication' option is available in this version.
MAC Filtering Mode
To enable MAC address filtering, select either “Allow” or “Deny”.
If you select “Allow,” only devices whose MAC addresses appear in the
MAC
Filtering Table (defined in the next section) are allowed to connect to the
Wi-
Fi network. If you select “Deny,” devices whose MAC addresses appear in
the MAC Filtering Table are not allowed to connect to the Wi-Fi network (all
other devices are allowed to connect).
3.6.2.3
MAC Filtering Settings
The MAC Filtering Table contains a list of MAC addresses for filtering.
The filtering rule is defined above, under “MAC
Filtering Mode”.
Figure 26: MAC Filtering Table
To define filtering for a MAC address:
1.
Click 'New MAC Address'. The 'MAC Filtering Settings' screen appears.
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Figure 27: MAC Filtering Settings
2.
Enter the MAC address to be filtered and click the 'OK' button. The MAC address is added to the list.
Figure 28: MAC Filtering Table
3.6.2.4
Security Settings
The Wi-Fi security settings are defined under
Security
.
Figure 29: Security Section
To configure the security settings:
1.
Select the security type for the connection: None, Authentication Only, or Password Protected (WEP,
WPA, WPA2, or WPA and WPA2 combined).
2.
If you selected WEP, define one or more encryption keys as follows:
Parameter
More Info
Active
Select the key you want to use at this time.
Encryption Key
Enter your encryption key.
Note: The pre-shared key is case-sensitive
Entry Method
Choose whether the encryption key you specified is an ASCII or
Hex value.
Key Length
Select the desired key length (40 or 104 bits).
3.
If you selected WPA, WPA2, or WPA and WPA2, configure the other parameters as follows:
Parameter
More Info
Authentication Method
Select
Pre-Shared Key
”.
Pre-Shared Key
Enter your encryption key. You can use either an ASCII or a Hex
value by selecting the value type in the drop-down menu
provided.
Note: The pre-shared key is case-sensitive
Encryption Algorithm
Select either Temporal Key Integrity Protocol (TKIP) or
Advanced Encryption Standard (AES).
Note: TKIP can be used in mixed 802.11g/n or 802.11b/g/n
modes
.
Group Key Update Interval
Defines the time interval in seconds for updating a group key.
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3.6.2.5
Wi-Fi QoS Option
The Wi-Fi QoS setting are defined under
WiFi QoS
.
Figure 30: Security Section
If required, enable WiFi QoS by selecting the
checkbox next to “Enabled”.
3.6.2.6
Transmission Settings
The transmission settings appear in the bottom section of the Wi-Fi screen.
Figure 31: Transmission Properties Section
Configure the transmission properties as follows:
Parameter
More Info
Transmission Rate
The transmission rate is set according to the speed of your WiFi connection.
Select the transmission rate from the drop-down menu, or select 'Auto' to
have L13 automatically use the fastest possible data transmission rates (the
only option when using 802.11ng). Note that if your wireless connection is
weak or unstable, it is best to select a low transmission rate.
Transmit Power
The percentage of maximum transmission power.
CTS Protection Mode
CTS Protection Mode boosts your gateway's ability to intercept 802.11g and
802.11b transmissions. Conversely, CTS Protection Mode decreases
performance. Leave this feature disabled unless you encounter severe
communication difficulties between the gateway and 802.11g products. If
enabling, select "Always". Select "Auto" to have L13 decide automatically
whether or not to use this feature.
CTS Protection Type
Select the type of CTS protection
CTS-only or RTS-CTS.
Frame Burst
This feature (also known as
packet bursting
) increases the speed of a 802.11g-
based wireless network by unwrapping short packets and rebundling them
into a larger one.
Frame Burst
Max Number - At any given time, only one wireless client can
communicate with the access point. Therefore, clients, competing for air
time, transmit data in frame bursts. Use this field to determine the maximum
number of frames that L13 will allow clients to transmit in a single frame
burst.
Frame Burst
Burst Time - The maximum length of a frame burst. Limit the
time of a frame burst to avoid large frames from taking communication
precedence.

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