User's Manual

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ICMP Smurf Attack: Do not response to the broadcasting ICMP request.

Ping of Death: To avoid the main system to receive overloading ICMP packet.

Allow ICMP Maximum Packet Size: You can set the maximum allowing ICPM packet size

when Ping of Death function is enabled. (The total length is ICMP header + ICMP date + IP

header).

TCP/UDP Port Scan: To detect any suspected port scan behavior within the packet flow.

TCP Null Scan: When checking the flags of TCP header without any setting, the router

determines this situation as TCP Null Scan and drops this packet.

TCP X’mas Tree Scan: When checking the flags settings of TCP header do not comply with

the rule of RFC793, the router will determines this situation as TCP X’mas Tree scan and

drops this packet.

TCP Full X’mas Tree Scan: When checking the flags settings of TCP header have been

configured, the router determines this situation as TCP Full X’mas Tree Scan and drops this

packet.

SYN Flood: To block the suspected SYN Flood attacked.

SYN Limit Rate: When enable SYN Flood function, you can enter the limit rate for TCP SYN

packets which allow to pass per second.

FIN Flood: To block the suspected FIN Flood attacked.

FIN Limit Rate: When enable FIN Flood function, you can enter the limit rate for TCP FIN

packets which allow to pass per second.

UDP Flood: To block the suspected UDP Flood attacked.

UDP Limit Rate: When enable UDP Flood function, you can enter the limit rate for TCP UDP

packets which allow to pass per second.

ICMP Flood: To block the suspected ICMP Flood attacked.

ICMP Limit Rate: When enable ICMP Flood function, you can enter the limit rate for TCP

ICMP packets which allow to pass per second.

Summary of content (5 pages)

PAGE 1
ICMP Smurf Attack: Do not response to the broadcasting ICMP request. Ping of Death: To avoid the main system to receive overloading ICMP packet. Allow ICMP Maximum Packet Size: You can set the maximum allowing ICPM packet size when Ping of Death function is enabled. (The total length is ICMP header + ICMP date + IP header). TCP/UDP Port Scan: To detect any suspected port scan behavior within the packet flow.
PAGE 2
3.6.5 Content Filtering You can setup content filter to restrict the improper content access. Content Filter Setting: There have three options for this filter – Proxy, Java, and ActiveX. When those options are checked, the content filter will deny computer from access to the internet by contented those options. Web URL Filter Setting: With security reason, the URL Filter provides the enterprise to manage and restrict employee access to non-business or undesirable content on the Internet.
PAGE 3
according the Web Host name or partial matched with a keyword. 3.6.6 Port Trigger Some applications require multiple connections, such as Internet gaming, video conferencing, Internet telephony and others. If you need to run applications that require multiple connections, specify the port normally associated with an application in the “Trigger Port” field, select the protocol type as TCP or UDP, then enter the public ports associated with the trigger port to open them for inbound traffic.
PAGE 4
Trig open protocol: This is the protocol used for the special application. 3.7 Administration The Administration contains the following sections: ◎Administration ◎Upload Firmware ◎Setting Management ◎Status ◎Statistics ◎System Command ◎System Log 3.7.1 Administration You may configure administrator account and password, NTP settings, and Dynamic DNS settings here.
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3.7.2 Upgrade Firmware Firmware is the main software image, which the AP Router needs to perform all tasks in real time. Firmware upgrades are required for adding new features or to resolves bugs. It takes about 1 minute to upload/upgrade flash and be patient please. Caution: A corrupted image will hang up the system.