Norton Personal Firewall o NIS (www.symantec.it)
McAfee Firewall (http://it.mcafee.com)
Kerio Personal Firewall (www.kerio.com)
Neowatch
Outpost Personal Firewall (www.agnitum.com/products/outpost)
Sygate Personal Firewall (www.sygate.com)
Zone Alarm o Zone Alarm PRO (www.zonelabs.com)
BlackICE Defender (http://blackice.iss.net)
ICF (XP Internet Connection Firewall)
Altro... (specificare)