Zone Labs has released new versions of its popular personal firewall products ZoneAlarm Pro 4 and ZoneAlarm Plus, both featuring new components to identify hackers, block e-mail worms, and fine-tune firewall rules. “In Version 4, MailSafe adds the capability to block outgoing e-mail messages that may come from a PC already infected by a mass-mailing worm. Rather than monitoring attachments to messages, however, the outgoing MailSafe feature monitors the way messages are sent”. Although a little pricey at $US50 and $US40 respectively, Zone Labs have long been known to produce some of the highest quality firewall products on the market.
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