Modbus
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
263
OpenVPN
VPN
Server
Scenario
When
you
want
the
security
gateway
to
play
an
OpenVPN
server
role,
check
the
"Enable"
box
and
choose
"Server"
option
in
the
"OpenVPN
Configuration"
window.
And
make
its
related
configuration
in
following
sections.
Also
refer
to
the
above
server
role
diagram.
OpenVPN
Server
Configuration
In
the
"OpenVPN
Server
Configuration"
window
you
will
enable
the
OpenVPN
server
function,
specify
the
virtual
IP
address
of
OpenVPN
server,
define
the
pool
of
virtual
IP
addresses
that
will
assign
to
remote
OpenVPN
clients
dialing
in
the
security
gateway,
and
the
authentication
protocol.
Once
you
select
"MS
‐
CHAP"
or
"MS
‐
CHAP
v2"
for
the
authentication
protocol,
you
also
can
specify
if
the
OpenVPN
server
needs
the
MPPE
encryption
and
its
key
length
or
not
for
the
authentication
process.
OpenVPN
Server
Advanced
Configuration
There
are
advanced
settings
available.
Check
the
"Enable"
box
of
Advanced
Configuration.
Scenario
Application
Timing
Above
diagram
illustrates
the
security
gateway
at
headquarters
playing
the
OpenVPN
server
role.
