VoIP
ATA
with
router
function
User
Manual
38
Security
5.1
Firewall
IP
Filtering
Mac
Filtering
Port
Filtering
Content
Filtering
IP
Filtering
Entries
in
this
table
are
used
to
restrict
certain
types
of
data
packets
from
your
local
network
to
Internet
through
the
Gateway.
Use
of
such
filters
can
be
helpful
in
securing
or
restricting
your
local
network.
□
Enable/Disable
IP
Filtering
‐
The
IP
address
filter
function
,control
a
network
IP
address
from
your
local
network
to
Internet
through
the
Gateway
,default
setting
is
disable.
Mac
Filtering
Entries
in
this
table
are
used
to
restrict
certain
types
of
data
packets
from
your
local
network
to
Internet
through
the
Gateway.
Use
of
such
filters
can
be
helpful
in
securing
or
restricting
your
local
network.
