WebDefender
…enforcing
your Internet Acceptable-Use-Policy
Introduction:
The
WebDefender
appliance with managed service restricts access to undesirable and
unwanted web material by providing high performance URL filtering,
using policies and a current database of restricted sites. It is
completely configured and installed in your DMZ or LAN to control web
access and log user activity.
Benefits:
-
Protects
your organization and employees from embarrassment and liability of
offensive material
-
Increases
employee productivity and system availability
-
“Buys
back” network bandwidth, computing resources and staff time for
productive use.
-
Leverages
Open-Source tools and services for Lowest Cost of Ownership
available.
Features:
-
Popular
SmoothWall
application
software with Anti-Virus (or Cymphonix Appliance)
-
Policy-based
filtering to enforce your Policy
-
Restrict
Access to Web Sites based on Domain Name, URL and Expressions
-
Filtering
based on specific words and phrases written and by the overall
rating of the content
-
Web
page cache to boost performance
-
Timely
updates of websites with questionable content, from critical
knowledge databases
-
LDAP
interface (Active Directory integration)
Description:
Typically,
WebDefender
will be installed in your DMZ or LAN and accepts all outbound HTTP
traffic. Web pages are cached, then inspected.
The
WebDefender
database is automatically updated each day with new, websites, so
that inspection is timely and current. You have the ability to
over-ride (White-List) and add-to (Black-List) these automatic
updates.
Web
caching enhances the web browsing experience by caching commonly
accessed web content and serving subsequent requests for the same
content locally rather than requesting it from the actual web site.
Technical
Features:
-
Host-based
Denial of Service Prevention
-
Web-Based
Administration Interface
-
Restrict
Access to sites with Viruses (HTTP traffic)
-
User
Tracking via Login & Password
-
User
Authentication via LDAP or user database
-
Time
of Day, User Controls if #4 and #5 is utilized
-
User
Groups are supported
-
Forward
Proxy with Cache
Filtering
Process:
-
Checks
the website to see if it is a banned site or not. Automatic daily
updates are made to the database. Blacklisting and White-listing of
websites is possible.
-
Checks
to see if specific URL’s are banned. Daily updates are made to
the database. Blacklisting and White-listing of URL’s is
possible.
-
Keywords
and Expressions are checked to see if they should be banned. There
are 40 categories and user-definable categories for management
controls. Black-listing and White-listing is possible.
-
Web
pages of certain type can be blocked. User-defined Blacklist is
maintained.
Sample Reports:
Top
User –
A report for each user broken down by sites visited, connections, and
other info each day.
Top
Sites
– Top 100 sites visited by the users sorted by number of
connections. This is a daily report.
Top
20 URLs Blocked -
Because of virus, mime type, or category per day.
Top
20 Users Blocked
- Because of virus, mime type, or category per day. The ranking is by
number of blocked attempts.
Sites
& Users Report
– All sites accessed during the day and who accessed them.
Site
Guard
– All site access attempts that were blocked on a daily basis. This
report includes the offending site, the user who made the attempt,
the time of day, and the rule, which was violated (ie: porn, news
sites etc.).
Daily
User
– this shows how much time a user is spending on the web hour by
hour each day.
Blocked
by Category
– This simple report shows the number of blocked attempts for each
category per day. Categories include gambling, porn, ads, news, etc.
Blocked
by Virus or Mime Type
- This simple report shows the number of blocked attempts that were
blocked because they contained viruses, blocked by category, or mime
type violations per day.