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Secondary
DNS
Server
Enter
the
server
address
of
the
Secondary
DNS
.
After
entering
the
new
settings,
click
the
APPLY
button.
The
equipment
will
save
the
new
settings
and
apply
them.
If
a
new
IP
address
was
entered
for
the
equipment,
it
must
be
used
to
login
to
the
phone
after
clicking
the
APPLY
button.
Service
Port
Settings
Web
Server
Type
Specify
Web
Server
Type
–
HTTP
or
HTTPS
HTTP
Port
Port
for
web
browser
access.
Default
value
is
80.
To
enhance
security,
change
this
from
the
default.
Setting
this
port
to
0
will
disable
HTTP
access.
Example:
The
IP
address
is
192.168.1.70
and
the
port
value
is
8090,
the
accessing
address
is
http://192.168.1.70:8090.
HTTPS
Port
Port
for
HTTPS
access.
Before
using
https,
an
https
authentication
certification
must
be
downloaded
into
the
equipment.
Default
value
is
443.
To
enhance
security,
change
this
from
the
default.
Note:
1)
Any
changes
made
on
this
page
require
a
reboot
to
become
active.
2)
It
is
suggested
that
changes
to
HTTP
Port
be
values
greater
than
1024.Values
less
than
1024
are
reserved.
3)
If
the
HTTP
port
is
set
to
0,
HTTP
service
will
be
disabled.
b)
VPN
The
device
supports
remote
connection
via
VPN.
It
supports
both
Layer
2
Tunneling
Protocol
(L2TP)
and
OpenVPN
protocol.
This
allows
users
at
remote
locations
on
the
public
network
to
make
secure
connections
to
local
networks.
Содержание i31S
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