Friday 09 September, 2011
Norton Internet Security 2011: Analysis on the attacking princip
Symantec Norton reported that a new type had received much concern recently, it does not steal your account, and it will not distort the homepage either, but it makes you annoyed most. what happened? As we know, for the ordinary Trojans, they do harms through long distance control so as to steal our personal privacy. But this new type Trojan which is called Trojan/Agent will control your computer to initiate DDos attacks once your computer is infected by it. DDos is the abbreviation of Distributed Denial of service, that is to say, a large number of computers will email some wast packet to the designated target, such like server, website or individual computers so as to make it paralyzed. Ddos attacks can cause great damage, how can we defend against it? Symantec Norton Internet Security experts suggest that the users should check the computers periodically, detect and remove the potential security bugs and equip the server with fire wall so as to defend against the Ddos attacks. Setting up the router and limiting the flow of SYN/ICMP packet can also reduce the damages caused by the Ddos attacks. Moreover, find out the attacking IP address through Unicast Reverse Path Forwarding and shield the IP address.
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