M2M
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
207
Firewall Setting
The
firewall
options
setting
allows
network
administrator
to
modify
the
behavior
of
the
Firewall
and
to
enable
Remote
Router
Access
Control.
Enabling
Firewall
Options
Go
to
Advanced
Network
>
Firewall
>
Options
Tab
Enabling
Firewall
Options
Item
Value
setting
Description
Enable
Stealth
mode
function
The
box
is
unchecked
by
default
Check
the
Enable
box
to
activate
Stealth
Mode
function
Enable
SPI
function
The
box
is
checked
by
default
Check
the
Enable
box
to
activate
SPI
function
Discard
Ping
from
WAN
The
box
is
unchecked
by
default
Check
the
Enable
box
to
activate
Discarding
Ping
function
Remote
Router
Access
Control
The
router
allows
network
administrator
to
manage
router
remotely.
The
network
administrator
can
assign
specific
IP
address
and
service
port
to
allow
accessing
the
router.
