ZyXEL Communications ZYWALL 70 - V4.04 Manual de usuario Pagina 7

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07
2
UTM Related
B
FAQ
2.4
ZyWALL UTM Solution
B13. Do I need to insert a ZyWALL Turbo Card to upgrade to and use
ZyNOS v4.00?
No. You can upgrade the firmware on your ZyWALL to ZyNOS v4.00 without inserting a ZyWALL Turbo
Card first. You can still enjoy the many features in ZyNOS v4.00 without a ZyWALL Turbo Card.
B14. Do I need to insert a ZyWALL Turbo Card to use the Anti-spam or
Content Filtering service?
No. You can activate and use the Anti-Spam and Content Filtering services on the ZyWALL without
inserting a ZyWALL Turbo card first.
B15. When must I insert a ZyWALL Turbo Card into my ZyWALL?
You only need to insert a ZyWALL Turbo Card into the ZyWALL when you want to activate and use the
Anti-Virus+IDP feature.
Adjustable
Sensitivity
Phishing
Protection
Blacklist/Whitelist
TCO (Total Cost of
Ownership)
Email Service
Provider
Anti-Spam Filter
No
No
No
Low to Medium
(Depending on your
email service level)
Gateway
Anti-Spam Filter
Yes
Yes
Yes
Low
(Single cost for
multiple mail
servers)
Mail Server
Anti-Spam Filter
Yes
No
Yes
High
(Need to install and
maintain software)
Client-based
Anti-Spam filter
Yes
No
Yes
Very High
(Need to install and
maintain software
for every users)
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