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ddns time <update in minutes>
Valid: 1 ~ 1440
%Now: 1440
> ddns time 1000
ddns time <update in minutes>
Valid: 1 ~ 1440
%Now: 1000
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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]]
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Parameter
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ATTACK_F
THRESHOLD
TIMEOUT
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ATTACK_0
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>dos –A
The Dos Defense system is Activated
>dos –s synflood 50 10
Synflood is enabled! Threshold=50 <pke/sec> timeout=10 <pke/sec>
Vigor2120 Series User's Guide
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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).
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