Security Configuration; Solicited Vs. Unsolicited; Port Forwarding - Sierra Wireless AirLink ES440 User Manual

7: Security Configuration

Rev 1 Nov.14
The security tab covers firewall-type functions. These functions
include how data is routed or restricted from one side of the device to
the other, i.e., from computers or devices connected to the device
(LAN) and from computers or devices contacting it from a remote
source (WAN). These features are set as rules.
Tip: For additional security, Sierra Wireless recommends that you change
the default password for ACEmanager. See

Solicited vs. Unsolicited

How the device responds to data being routed from one network
connection to the other depends on the origin of the data.
• If a computer on the LAN initiates a contact to a WAN location
(such as a LAN connected computer accessing an Internet web
site), the response to that contact is solicited.
• If, however, a remote computer initiates the contact (such as a
computer on the Internet accessing a camera connected to the
device), the connection is considered unsolicited.

Port Forwarding

In Port Forwarding, any unsolicited data coming in on a defined
Public Port is routed to the corresponding Private Port and Host IP of
a device connected to the specified Physical Interface. You can
forward a single port or a range of ports.
Note: Port Forwarding requires Private Mode. See
on page 97.
Internet
Figure 7-1: Port Forwarding
Change Password
Private and Public Mode
AirLink device
Host IP/Destination Computer
7
on page 237.
141