70Guarding against intrusion attempts

How Norton Personal Firewall protects against network attacksNorton Personal Firewall monitors communications

When Norton Personal Firewall is active, it monitors communications among your computer and other computers on the Internet. It also protects your computer from such common security problems as:

Improper connection

Warns you of any connection attempts from other

attempts

computers and attempts by programs on your computer

 

to connect to other computers

Trojan horses

Notifies you when your computer encounters

 

destructive programs that are disguised as something

 

useful

Security and privacy

Monitors all Java applets and ActiveX controls and lets

incursions by malicious

you choose whether to run or block the program

Web content

 

Port scans

Cloaks inactive ports on your computer and detects port

 

scans

Intrusions

Detects and blocks malicious traffic and attempts by

 

outside users to attack your computer

 

 

You can control the level of protection that Norton Personal Firewall provides by using the Security Level slider. You can also control how Norton Personal Firewall reacts to improper connection attempts, Trojan horses, and malicious Web content.

Intrusion Detection analyzes communications

Intrusion Detection scans each packet that enters and exits your computer for attack signatures, arrangements of information that identify an attacker’s attempt to exploit a known operating system or program vulnerability.

Norton Personal Firewall protects your computer against most common Internet attacks, including the following.

Bonk

An attack on the Microsoft TCP/IP stack that can crash the

 

attacked computer

 

 

RDS_Shell

A method of exploiting the Remote Data Services component

 

of the Microsoft Data Access Components that lets a remote

 

attacker run commands with system privileges

WinNuke

An exploit that can use NetBIOS to crash older Windows

 

computers