ZyXEL Communications ZyWall USG 50-H Series Uživatelský manuál Strana 4

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Application firewall
More and more network applications bring
malicious software into your office. This kind
of unwanted software, especially IM/P2P
applications, may cause bandwidth waste or
even system damage. Using the application
patrol and bandwidth management features,
you can have full control over traffic blocking
or rate limit settings.
Web security (Secure Web access):
ZyXEL safe browsing
There are increasing network threats coming
from internal sources, since your employees
could surf unknown Web sites located
anywhere. Some Web sites contain malicious
software like Trojan horses, spywares or
worms that could take tolls to your company;
thus finding ways to keep internal users from
surfing dangerous Web sites is becoming an
important issue. ZyXEL Safe Browsing feature
can pinpoint the Web sites with malicious
software and warn the users to stay away
from potential threats.
Enterprise Security
ZyWALL Unified Security
Gateway Series
(100/200/300/1000/2000 Series)
Enterprise Security
ZyWALL Unified Security
Gateway Series
(100/200/300/1000/2000 Series)
Web Server
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2. Query
1. Internet Access
3. Response
4. Access or Deny
ZyXEL Integrated Database
ZyXEL Database
3
rd
-Party Database
(Bluecoat + Google)
Corporate
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etwor
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Non-Business Related Business Related
Bus
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cat
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Non-Bus
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ness Related A
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Application Control Policy
Allow Business Related Bandwidth Limit IM P2P Block
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