59
3
3
.
.
7
7
S
S
e
e
c
c
u
u
r
r
i
i
t
t
y
y
“Security” section includes three features:
1. Firewall
2. VPN
3. Filter
The following sections will guide you some details of these features.
3
3
.
.
7
7
.
.
1
1
F
F
i
i
r
r
e
e
w
w
a
a
l
l
l
l
A firewall is a set of related programs that protects the resources of a private network from other networks. It
prevents hackers to access its own private data resource accidentally.
There are four firewall modes: “Disable”, “Low”, “Medium” and “High”. The table below shows what kind of
packets will be blocked in different modes.
Note: “Firewall” function is only available in “Router” mode.