
Installation
LAN Integration
30
Local Area Connection Properties: Windows Firewall
5.
Select the
General
tab in the
Windows Firewall
dialog. Activate the
Inactive
(not recommended)
option.
6.
Alternatively you can also activate the
Active (recommended) option
. In this
case deactivate the
Allow no exceptions
option and go to the
Advanced
tab.
Deactivate the specific LAN connection used with the Aastra 800 communica-
tions system.
7.
Confirm the settings with
OK
.
Note:
You should never connect an unprotected computer
directly with the Internet. Be sure to use an appropriate
router for the Internet connection with an integrated Fire-
wall function. When you use SIP lines with the Aastra 800
communications system, the router product used must be
compatible with the SIP protocol and the related RTP con-
nections.
Tip:
To increase system security with a deactivated personal Fire-
wall you can restrict the protocol connections of the LAN con-
nection. Deactivate all elements not in use in the Properties
dialog of the LAN connection. The Aastra 800 communica-
tions system only requires the
Internet Protocol (TCP/IP)
element.
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