Parameter

Select or enter . . .

 

 

TCP Syn with

Select this check box to defend against an

Data

attack where the TCP port scanner generates

 

a SYN packet. If the target port is open, it will

 

respond with a SYN-ACK packet. The scanner

 

responds with a RST packet, closing the

 

connection before the handshake is

 

completed.

 

 

UDP Bomb

Select this check box to defend against an

 

attack which overloads the operating system

 

and makes the target device difficult or

 

impossible to use.

 

 

UDP Echo

Select this check box to defend against an

Chargen

attack on UDP ports 7 and 19 involving large

 

numbers of ECHO and CHARGEN requests.

 

 

Select All

Click to select all types of attacks listed.

 

 

Clear All

Click to clear all selected types of attack.

 

 

Enable Source IP

Select this check box to block all packets

Blocking

coming from a source IP address.

Block Time

Enter the number of seconds during which all

 

traffic from a source IP address will be

 

blocked.

 

 

Apply Changes

Click to save your entries.

 

 

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