Draytek VigorBX 2000 Series, Руководство пользователя

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VigorBX 2000 Series User’s Guide 624
T T e e l l n n e e t t C C o o m m m m a a n n d d : : d d d d n n s s t t i i m m e e
Sets and displays the DDNS time.
ddns time <update in minutes>
S S y y n n t t a a x x D D e e s s c c r r i i p p t t i i o o n n
Parameter Description
Update in minutes Type the value as DDNS time. The range is from 1 to 1440.
E
E
x
x
a
a
m
m
p
p
l
l
e
e
> ddns time
ddns time <update in minutes>
Valid: 1 ~ 1440
%Now: 1440
> ddns time 1000
ddns time <update in minutes>
Valid: 1 ~ 1440
%Now: 1000
T
T
e
e
l
l
n
n
e
e
t
t
C
C
o
o
m
m
m
m
a
a
n
n
d
d
:
:
d
d
o
o
s
s
This command allows users to configure the settings for DoS defense system.
dos [-V | D | A]
dos [-s ATTACK_F [THRESHOLD][ TIMEOUT]]
dos [-a | e [ATTACK_F][ATTACK_0] | d [ATTACK_F][ATTACK_0]]
S S y y n n t t a a x x D D e e s s c c r r i i p p t t i i o o n n
Parameter Description
-V It means to view the configuration of DoS defense system.
-D It means to deactivate the DoS defense system.
-A It means to activate the DoS defense system.
-s It means to enable the defense function for a specific attack and set
its parameter(s).
ATTACK_F It means to specify the name of flooding attack(s) or portscan, e.g.,
synflood, udpflood, icmpflood, or postscan.
THRESHOLD It means the packet rate (packet/second) that a flooding attack will
be detected. Set a value larger than 20.
TIMEOUT It means the time (seconds) that a flooding attack will be blocked.
Set a value larger than 5.
-a It means to enable the defense function for all attacks listed in
ATTACK_0.