Draytek VigorNIC 132 series, Руководство пользователя

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VigorNIC 132 Series User’s Guide 214
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).
E E x x a a m m p p l l e e
>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.
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 : : I I n n t t e e r r n n e e t t
This command allows you to configure detailed settings for WAN connection.
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internet -W n -M n [-<command> <parameter> | ... ]
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Parameter Description
-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
n=2: Dynamic IP
n=3: Static IP
<command><parameter>|…] The available commands with parameters are listed below.
[…] means that you can type in several commands in one line.
-S <isp name> It means to set ISP Name (max. 23 characters).
-P <on/off> It means to enable PPPoE Service.
-u <username> It means to set username (max. 49 characters) for Internet
accessing.
-p <password> It means to set password (max. 49 characters) for Internet
accessing.