Vigor3900 Series User’s Guide
306
4
4
.
.
8
8
.
.
1
1
.
.
3
3
D
D
D
D
N
N
S
S
L
L
o
o
g
g
This page displays the information related to all DDNS.
4
4
.
.
8
8
.
.
2
2
D
D
N
N
S
S
S
S
e
e
c
c
u
u
r
r
i
i
t
t
y
y
DNS security is able to ensure that the incoming data is not falsified and the source of the
data is secure and correct to prevent from DNS attack by someone.
Available parameters are listed as follows:
Item Description
Enable DNS Security
Check the box to enable the DNS security management.
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