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dos [-a | e [ATTACK_F][ATTACK_0] | d [ATTACK_F][ATTACK_0]]
S
y
n
t
a
x
S
y
n
t
a
x
Parameter
-V
-D
-A
-s
ATTACK_F
THRESHOLD
TIMEOUT
-a
-e
ATTACK_0
-d
E
x
a
m
p
l
E
x
a
m
p
>dos –A
The Dos Defense system is Activated
>dos –s synflood 50 10
Synflood is enabled! Threshold=50 <pke/sec> timeout=10 <pke/sec>
T
e
l
n
e
t
C
o
m
m
T
e
l
n
e
t
C
o
m
m
Type this command will leave telnet window.
T
e
l
n
e
t
C
o
m
m
T
e
l
n
e
t
C
o
m
m
This command allows you to configure detailed settings for WAN connection.
S
y
n
t
a
x
S
y
n
t
a
x
internet [-<command> <parameter> | ... ]
S
y
n
t
a
x
S
y
n
t
a
x
Parameter
<command><parameter>|...]
-M n
504
D
e
s
c
r
i
p
t
i
o
n
D
e
s
c
r
i
p
t
i
o
n
Description
It means to view the configuration of DoS defense system.
It means to deactivate the DoS defense system.
It means to activate the DoS defense system.
It means to enable the defense function for a specific attack and set
its parameter(s).
It means to specify the name of flooding attack(s) or portscan, e.g.,
synflood, udpflood, icmpflood, or postscan.
It means the packet rate (packet/second) that a flooding attack will
be detected. Set a value larger than 20.
It means the time (seconds) that a flooding attack will be blocked.
Set a value larger than 5.
It means to enable the defense function for all attacks listed in
ATTACK_0.
It means to enable defense function for a specific attack(s).
It means to specify a name of the following attacks: ip_option,
tcp_flag, land, teardrop, smurf, pingofdeath, traceroute,
icmp_frag, syn_frag, unknow_proto, fraggle.
It means to disable the defense function for a specific attack(s).
e
l
e
a
n
d
:
e
x
i
t
a
n
d
:
e
x
i
t
a
n
d
:
I
n
t
e
r
n
e
t
a
n
d
:
I
n
t
e
r
n
e
t
D
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s
c
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p
t
i
o
n
D
e
s
c
r
i
p
t
i
o
n
Description
The available commands with parameters are listed below.
[...] means that you can type in several commands in one line.
M means to set Internet Access Mode (Mandatory) and n means
different modes (represented by 0 – 3)
n=0: Offline
n=1: PPPoE
Vigor2133 Series User's Guide
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