[nsp] Filtering network content based on User Subscription

[Voll, Scott]

Web filtering is either high administration or high cost as we have
found.  

Three options that we have looked at or used are N2H2
http://www.n2h2.com/ , Websense http://www.websense.com/products/about/
, and squid guard http://www.squidguard.org/ .  The first two are
expensive but reliable and highly configurable.  Squid guard is very
inexpensive but we have had some reliability issues, and the
administration ends up costing you the same in the long run.  If you run
a Cisco Pix FW you can also setup the first two to work directly with
the FW.

We were using N2H2 but for cost we went to squid guard.  We will be
going back to N2H2 next budget year.  N2H2 now offers de-centralized
filtering which will enable your users to administrate it themselves.  

Scott 

-----Original Message-----
From: Mustafa N. Deeb [mailto:mustafa at palnet.com] 
Sent: Monday, April 26, 2004 12:00 AM
To: 'Joe Shen'; cisco-nsp at puck.nether.net
Subject: RE: [nsp] Filtering network content based on User Subscription

hi
How about Squid + Squid Guard?

The server will filter out Specific IPs that you assign to those
particular users.

Cheers


~~~~~~~~~~~~~~~~~~~~~~
Mustafa N. Deeb
Technical Director
Palnet Communications Ltd.
Tel: +970-2-2403434
Fax: +970-2-2403430
www.palsms.com
www.paltime.net
www.palnet.com



-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Joe Shen
Sent: Monday, April 26, 2004 4:09 AM
To: cisco-nsp at puck.nether.net
Subject: [nsp] Filtering network content based on User Subscription

Hi,
 
To guarantee their staff/chirldren are not affected by 'dirty' content,
some
of our customers want to filter web content.  To avoid the cost of
software
maintenance, they want us to provide content filtering service based on
subscription. Also, customers want to be abel to administrate filtering
rules by themselves.
 
At current stage, we planned to set up content filtering by following
criterion:
 
1. By white list,  web site not listed in a white list will be blocked
2. By black list, web site listed in a black list will be blocked
3. By time period, in a predefined time period ( as. 8:00 am -- 5:00 pm
)
some of web sites are not accessible
 
 
I have no experience with service like this, and I don't know how to set
up
such service while mainteining the scability & network performance. Is
there
anybody would do me a favor to tell me which company provides such
products?
and what's the working mechanism behind?
 
 
Each word will be high appreciated.
 
Regards
 
Joe Shen 
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