147
Port
Scan
(c):
Many
kinds
of
port
scan
methods
are
listed
here,
check
one
or
more
DoS
attack
methods
you
want
to
prevent.
Sync
Flood
(d):
Like
Ping
of
Death,
you
can
set
the
threshold
when
this
DoS
prevention
mechanism
will
be
activated.
After
you
complete
all
settings,
click
the
‘Apply’
(e)
button
and
the
following
will
be
displayed
on
your
web
browser:
Click
the
‘Continue’
button
to
go
back
to
the
previous
setup
menu;
to
continue
on
other
setup
procedures,
or
click
the
‘Apply’
button
to
reboot
the
router
so
the
settings
will
take
effect
(wait
for
about
60
seconds
while
the
router
is
rebooting).
If
you
want
to
reset
all
settings
in
this
page
back
to
previously
‐
saved
values,
click
the
‘Cancel’
button.
