Draytek Vigor2133 Vac, User Manual

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Vigor2133 Series User’s Guide 504
dos [-a | e [ATTACK_F][ATTACK_0] | d [ATTACK_F][ATTACK_0]]
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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.
-e It means to enable defense function for a specific attack(s).
ATTACK_0 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.
-d It means to disable the defense function for a specific attack(s).
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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>
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Type this command will leave telnet window.
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This command allows you to configure detailed settings for WAN connection.
S S y y n n t t a a x x
internet [-<command> <parameter> | ... ]
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Parameter Description
<command><parameter>|…] The available commands with parameters are listed below.
[…] means that you can type in several commands in one line.
-M n M means to set Internet Access Mode (Mandatory) and n means
different modes (represented by 0 – 3)
n=0: Offline
n=1: PPPoE