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Page 201 / 249 Scroll up to view Page 196 - 200
USB
196
Figure 10-1
No driver is associated with your USB device if
using driver:
(none)
is displayed.
If this is
the case, check the box corresponding to the class of USB device that you wish to use
(e.g.
USB Printers
) and click
Apply
.
Ensure that the device is now associated with a
driver (e.g. for printers,
using driver:
usblp
is displayed).
Your USB device is now ready to configure.
Proceed to the applicable section in this
chapter for the class of USB device that you are configuring:
USB Mass Storage Devices
,
USB Printers
,
USB Network Devices
or
USB Modems
.
USB Mass Storage Devices
USB mass storage devices can be attached to the CyberGuard SG appliance for use as
a print spool or to share with your Windows network as a network attached storage
device (NAS).
A typical use for NAS is for using the CyberGuard SG appliance as a
network file server.
USB mass storage devices include USB flash drives and keychains, USB flash card
readers loaded with flash cards, USB hard drives, and certain digital cameras and
portable music players.
This section describes how to set up the CyberGuard SG appliance for network attached
storage.
For information on using a USB mass storage device as a print spool, refer to
the
USB Printers
section.
Page 202 / 249
USB
197
Enable the storage device
Attach the USB mass storage devices to the CyberGuard SG appliance and ensure the
appropriate driver is loaded, as described in
Attach the USB device
towards the
beginning of this chapter.
Figure 10-2
Select
Storage
from the
System
menu.
Check the box next to the USB mass storage
device or device partition you wish to enable and click
Apply
.
Share the storage device
Select
NAS
from the
Networking
menu.
Under the
Network Shares
heading, locate the printer and click the
Edit
icon.
Figure 10-3
Enter a
Share Name
, this is the name that will be displayed when browsing your
Windows workgroup or domain.
Enter a
Description
(optional).
Page 203 / 249
USB
198
Set access permissions
The remaining settings control access to the network share from your LAN.
Figure 10-4
Browseable:
An icon for the network share will be displayed when browsing the network
from a Windows PC.
To access the network share when this is unchecked, the user will
have to manually enter the address in the address bar (e.g.
\\SG565\public\
).
Writable:
The network share is writable, i.e. users can modify and create new files.
Public:
A login and password is not required to access the network share.
Users:
A valid login and password is required to access the network share.
When this
option is selected, a list of users will be displayed.
Check the boxes next to the users you
wish to grant access to.
Note
See the
Users
section in the chapter entitled
System
for information on adding new
users.
Click
Apply
.
Once configured, you may enable and disable network shares from the main
NAS
page
by clicking the icon.
Page 204 / 249
USB
199
Join a Windows workgroup
Next, we will configure your CyberGuard SG appliance to join your Window workgroup or
domain.
Select
Network Setup
from the
Networking
menu.
Click the
Advanced
tab.
Under the
Unit Workgroup
heading, enter the name of your Windows workgroup or
domain and click
Apply
.
Typically, this name is UPPERCASE.
Once NAS devices or printers have been shared, your CyberGuard SG appliance will
become visible to other members.
Figure 10-5
To test this, browse the workgroup from a Windows PC that is a workgroup member.
In
Windows XP, open
My Network Places
and under
Network Tasks
on the left, click
View workgroup computers
to browse the workgroup.
Note
Setting up your Windows workgroup or domain is beyond the scope of this manual.
Refer to the documentation shipped with Windows, or the Microsoft website for further
information.
Page 205 / 249
USB
200
Partitioning a USB mass storage device
Warning
This procedure is intended for experts and power users only.
The standard Linux command line tools are present on the CyberGuard SG appliance for
partitioning (
fdisk
) and creating filesystems (
mkfs
) on an attached USB mass storage
device.
Alternatively, you may use the standard Windows tools or a third party utility
such as PartitionMagic to partition a USB mass storage device before attaching it to the
CyberGuard SG appliance.
This section contains an example walkthrough of partitioning a USB mass storage device
using the CyberGuard SG appliance.
In this example we will split a 128mb USB mass
storage device into two equally sized partitions.
Warning
Repartitioning a device will cause all data on that device to be lost.
Back up any data
before proceeding.
Attach the USB mass storage device.
After 10 – 15 seconds, select
Advanced
from the
System
menu and click
System Log
.
Look for lines similar to the following to see which
device name is has been assigned.
Apr 22 01:19:49 klogd: USB Mass Storage device found at 4
Apr 22 01:20:58 klogd: SCSI device
sda
: 256000 512-byte hdwr
sectors (131 MB)
In this case, the device name is
sda
.
If there is a single USB mass storage device
attached, it will typically be assigned
sda
, otherwise it may by
sdb
,
sdc
, etc.
telnet
or
ssh
to the CyberGuard SG appliance and log in.
Run the
fdisk
command with
the argument
/dev/<device name>
, e.g.
fdisk /dev/sda

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