Rob Ogle wrote:
> I want to block users from getting to the internet with the exception of a
> handful of websites. 
> I'm using:
> ACCEPT  loc    net:www.weather.com    tcp 80
> 
> This works fine for some sites, but with sites like the weather channel, I
> only get partial content. I've looked at the source code and found that they
> use a lot of sub domains like images.weather.com. Other sections, even pull
> from domains other than their own or specific ip addresses (that seem to
> rotate).
> 
> I've currently got a section of rules allowing about 15 different ip
> addresses out, but the addresses are changing every few days.
> 
> What is the best way around this? (Other than constantly monitoring the
> shorewall log and adding ip addresses to the rules)

This is better done in your proxy server than in a packet filter like
netfilter.  I would suggest using a transparent proxy server setup as
per http://www.shorewall.net/Shorewall_Squid_Usage.html

-- 
Paul
<http://paulgear.webhop.net>
--
Did you know?  Linux is a completely free operating system that provides
a vast array of software "out of the box", and represents a viable
alternative to expensive proprietary software.  For more details, see:
http://consumer.hardocp.com/article.html?art=MTI5OCwxLCxoY29uc3VtZXI=

Attachment: signature.asc
Description: OpenPGP digital signature

-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
_______________________________________________
Shorewall-users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/shorewall-users

Reply via email to