
Content Filtering 2.0
Security Service
While nobody would dispute that the Internet is an indispensable tool for
business, there exist many malicious sites that would trap users, potentially
infecting systems with viruses or installing spyware when carelessly
accessed. An efficient solution is necessary for administrators to manage
web access and control traffic when employees access websites. Zyxel
Content Filtering is a fully integrated security subscription service protecting
networks against malicious attacks from rogue websites while helping
administrators manage and control user access.
Content Filtering 2.0 is introduced with improving visibility and detection
coverage. It includes URL filtering, HTTPS domain filter, safe search and GeoIP
blocking. Now you can upgrade to Content Filtering 2.0 with the USG/ZyWALL
ZLD 4.20(or above version) firmware and enjoy the new features that are
strongly required by education and other sectors for safe Internet browsing
and better detection coverage.
Benefits
Faultless and zero-delay scan structure
Zyxel Content Filtering uses hybrid approaches including local cached
database and cloud optimized URL databased, improving performance and
accuracy.
• Ultra-low latency via locally cached database scan engine: The locally
cached engine automatically adjusts entries according to the needs of each
deployment by quickly learning the browsing habits of users. This is the
heart of Zyxel Content Filtering, providing high-performance web content
scanning and detection.
• Updated cloud database scan engine: Combining a filtering structure with
a cloud service helps ensure zero-delay category detection. When a URL is
not found in the locally cached database, the querying process will redirect
to the cloud database for URL mapping. Cloud query provides instant
coverage for sites. The cloud database is rapidly updated so even shortened
URLs with short lifecycle can be correctly identified.
Improves security by blocking
access to malicious or risky
web sites
Prevents malware downloads
from malicious or hacked web
sites
Keeps your defense updated
with evolving cloud database
updates
Controls access with
integrated firewall policy for
highly granular blocking and
filtering
Simple license model to
quickly enable protection on
your security appliances
Datasheet Content Filtering 2.0

SSL inspection eliminates hidden threats
The use of Secure Sockets Layer (SSL) encryption has
spread globally. Popular examples of websites utilizing SSL
encryption include Dropbox and Gmail, which offer users
the ability to encrypt their entire sessions. Unfortunately,
attackers are also turning to encryption to evade detection
and hide their attacks, intrusions, or malware. Now more
than ever, enterprises need tools to inspect incoming and
outgoing traffic for threats hiding behind SSL encryption.
Zyxel Content Filtering supports deeper policy
enforcement, inspecting traffic in SSL encrypted
connections while blocking threats. Not only can Content
Filtering detect SSL protocol, but it supports TLS (transport
layer security), as well. Zyxel Cloud Filtering offers
customers the ultimate in optimized security online via
public cloud application.
SafeSearch
SafeSearch is a service offered by search engines such as
Yahoo, Google, Bing and Yandex that blocks inappropriate
adult/mature content, images and videos from user
reported results. while some self-hosted not popular
websites may not be in the database of URL filtering
categories, Safe Search can entexnd the coverage and
effectively banish inappropriate content. However, it's
inefficient to enforce safe search in each PC every device
in organizations. Thanks to Zyxel's Content Filtering
2.0, powerful feature that enforces SafeSearch in most
popular search engines can be activated in a simple step.
Moreover, search results with inappropriate contents will
be precluded.
HTTPs Domain Filter
Becoming aware of HTTP risks, more and more Web sites
adopt HTTPS encrypted connections to improve online
privacy of users, especially those have person information
and financial data involved. Communications delivered
with the HTTPs protocol are exceptionally safe as no
one is able to see and filter the transaction data. On the
contrary, the encrypted HTTPS protocol also creates a
blind spot that attackers can exploit to evade security
controls. Nowadays, almost half all Internet traffic today is
encrypted, which leading to increased vulnerability, risks
and even damages to businesses.
In addition to providing comprehensive and thorough
check on connections with encrypted HTTPs transfer,
Zyxel provides two approaches to have visibility over
encrypted traffics. Besides turning on SSL Inspection
which execute full, per packet examine, an new and easy
to set-up solution, HTTPS Domain Filter, is introduced.
HTTPS Domain Filtering checks every user visiting the
specific Web domain and blocks connections determined
as inappropriate or questionable via the category service,
and it is capable of filtering out malware hidden in the
encrypted connection as well.
Geo IP Blocking
Nowadays many hackers are attached to business
providing service via the Internet, one of the possible
solutions is to restrict Web site access based on the
geographical locations.
Geo-IP filtering works by checking the IP addresses of and
outgoing Internet traffics against databases maintained
by various international Internet registries to discern the
country of attack origin. Zyxel's Geo IP filtering is based on
country locations to monitor traffics and log analysis, so if
there are abnormal traffics from visitors with recognizable
locations, the Zyxel USG/ZyWALL Series denies access
using the GeoIP database to protect the network.
Features
• Real-time Malicious Website Filtering
• Block access to questionalbe content, e.g. pornography
sites
• Block or monitor browsers use to optimize employee
productivity
• URL blocking and keyword blocking
• 64 URL categories, including 8 unsafe categories
• Dynamic, cloud-based URL filtering database
■
140+ millions of the most relevant URLs
■
200+ data sources
■
Hold "up to the minutes" data
• Blacklist and Whitelist support
• Blocks Java Applets, Cookies, ActiveX, and Web Proxy
• Customizable Warning Messages
• Redirection URL support
• HTTPs/HTTP support (SSL Inspection)
• Support DNS base filtering (domain filtering)
• Support SafeSearch: automated filter of pornography and
potentially offensive content.
■
enforce Google / Yahoo / Bing safe search
• Support YouTube safety mode
• Support YouTube EDU, YouTube for School, and YouTube
for Teachers
• Country-based URL filtering (combine Geo-IP function)
2Datasheet Content Filtering 2.0