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95
Configuration Examples
Useful Information on Internet Access
Useful Information on Internet Access
Costs
The OpenCom 510 uses a router
function to access the Internet,
which means that it automatically
establishes an Internet connection
when required and terminates the
connection after a certain period of
time if no data are being transmit-
ted.
Unfortunately, programs other than
those typically intended to access
the Internet (such as your browser or
your e-mail software) may send out
data packets which cause an Inter-
net connection to be established,
even if these programs are not
strictly Internet-associated applica-
tions.
Examples of such programs are the
Microsoft
TM
XP
TM
operating system,
various multimedia programs such
as Realplayer
TM
and anti-virus appli-
cations that may establish an Inter-
net connection for automatic up-
dates (the so-called “phone home
function”).
It is therefore highly advisable to
limit ISP access by specifying the
maximum monthly connection time
under
Connection time per month
(maximal)
in the
NET Configura-
tion
:
Connections
:
ISP
menu on the
web console.
Using the Web
A Web browser not only enables you
to use the OpenCom 510
Configura-
tor
from every workstation but also
to obtain a wealth of information
from the Internet. Simply enter the
desired URL in the address field of
the browser. Access from a stand-
alone PC via an online service differs
from Internet access via the
OpenCom 510 in the following re-
spects:
■
When you request a Web page,
dialling in results automatically.
There is no display of dialogues
with manual confirmation of di-
alling in or hanging up.
■
Requesting Web pages is not a
connection-orientated service.
When the Web page has been
loaded completely, the TCP/IP
connection is cleared. If you do
not request further Web pages,
the OpenCom 510 automatically
releases the connection to the
Internet after a certain, specifia-
ble duration.
■
It is possible to call up Web
pages simultaneously from sev-
eral workstations.
■
The OpenCom 510 can block ac-
cess to certain Web pages by
means of filter lists.
Содержание OpenCom 510
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