How can I block IP addresses with the norton antivirus software or avast?

Does anyone know for sure the steps?

For purpose of this visit w / network and download Sygate freedownload.com wall and pop-up blocker, then the PC will be fire safe

Using avast-antivirus

Avast! $17.99 Erica J. Vess Avast! - Art Print

Webroot Software Antivirus With Spy Swee Z-10326_5 $37.49 Webroot Software Antivirus With Spy Swee Z-10326_5

BitDefender Antivirus $38.99 2 User Processor: Intel-Based Operating System: Mac OS X Tiger v.10.4.6 or later Mac OS X Leopard v.10.5 or later Mac OS X Snow Leopard v.10.6 or later Hard Disk: 100 MB Memory: 1 GB RAM Others: Minimal normal (4:3) display resolution 1024 X 768 Minimal wide display resolution 1024 X 640 Real-time Antivirus Protection: Automatically detects and blocks all known viruses. Extended Detection: In addition to Mac viruses, detects and removes any type of malware targeting other operating systems. Won't Slow Down Macs: Intelligent scanning and a small memory footprint result in a minimal impact on processing speed. Intelligent Virus Scanner: Allows you to choose between running a full virus scan or only scanning critical files, for maximum efficiency. Scheduled Scanning: Convenient "scheduler" allows you to plan ahead and schedule your full system/drive scans in the off hours, when your Mac is not in use. Quarantine Zone: Moves all suspicious and infected files to a "holding cell" on your Mac, before being forwarded to the BitDefender Antivirus Lab for further review. Easy-To-Use: Click on the BitDefender dock icon to gain access to the most common tasks, or drag-&-drop files right onto it for immediate scanning. Always Up-To-Date: Fast, automatic updates ensure that BitDefender is always ready to react to the very latest threats. Award-Winning Technology: BitDefender continues win awards and gain accolades by professional testers and worldwide users alike. Free 24/7 Technical Support: Always available for assistance, for the entire duration of your BitDefender product license. BitDefender Antivirus for Mac pro-actively protects 2 Macs for 2 years against the new breed of Mac viruses. Plus, it destroys Windows viruses (which don't affect Macs) so that you don't accidentally pass them on to your family, friends and colleagues using PCs. AntiVirus Antivirus BitDefender Intel-based Mac Mac OS NB11402002EN-M2 Not Applicable Security Software www.bitdefender.com

Norton AntiVirus Dual Protection $64.99 1 User 1 Year - Virus Definitions Update 21151938 Operating System: Apple MacOS X 10.4.11 or later Others: Internet connection AntiVirus Dual Protection Antivirus CD-ROM Mac Mac OS Norton Not Applicable Retail Security Software Standard Symantec Corporation Upgrade Package www.symantec.com

ESET NOD32 Antivirus Software, Renewal, Home and Home Office, 1 Year, 4 User License $59.99 ESET NOD32 Antivirus license renewal.

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