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PoE
AP
Router
228
5.2.6
IPS
To
provide
application
servers
in
the
Internet,
administrator
may
need
to
open
specific
ports
for
the
services.
However,
there
are
some
risks
to
always
open
service
ports
in
the
Internet.
In
order
to
avoid
such
attack
risks,
it
is
important
to
enable
IPS
functions.
Intrusion
Prevention
System
(IPS)
is
network
security
appliances
that
monitor
network
and/or
system
activities
for
malicious
activity.
The
main
functions
of
IPS
are
to
identify
malicious
activity,
log
information
about
this
activity,
attempt
to
block/stop
it
and
report
it.
You
can
enable
the
IPS
function
and
check
the
listed
intrusion
activities
when
needed.
You
can
also
enable
the
log
alerting
so
that
system
will
record
Intrusion
events
when
corresponding
intrusions
are
detected.
IPS
Scenario
As
shown
in
the
diagram,
the
gateway
serves
as
an
E
‐
server,
Web
Server
and
also
provides
TCP
port
8080
for
remote
administration.
So,
remote
users
or
unknown
users
can
request
those
services
from
Internet.
With
IPS
enabled,
the
gateway
can
detect
incoming
attack
packets,
including
the
TCP
ports
(25,
80,
110,
443
and
8080)
with
services.
It
will
block
the
attack
packets
and
let
the
normal
access
to
pass
through
the
gateway
Содержание IWP87DAM-07151
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