Re: Capture Email Content / Website Activity

[stuff () trackingsolutions ca]

Does this configuration have any drawbacks for security, reliability or speed.

Internet --> modem --> router --> snortbox --> switch --> local network

Thanks

On November 27, 2005 04:42 pm, G Ramon Gomez wrote:
> stuff () trackingsolutions ca wrote:
> > The first scenario:
> > Internet --> Modem --> snortbox --> router --> local network
> > will not allow me to specify what machine is sending information. It would
> > just give me the ip of the router. Right?
>
> If you're NATing, yes.
>
> > The second scenario:
> > Internet --> modem --> router --> snortbox --> switch --> local network
> > this scenario will allow me to monitor the activity from within the local
> > network.
>
> Yes.
>
> > In the second scenario is it nessicary to run iptables or is iptables used
> > to route the traffic?
>
> iptables would be used to provide the bridging, so it's needed.
>
> > Also I do see the value of squid to monitor the traffic to the web.
>
> Ok.  To "monitor the traffic to the web", you need some form of activity
> logging.  Furthermore, you need some form of data analysis to make sense
> of the logs, unless you intend to manually review all of the log lines.
> Within the context of data analysis of web logs, there are more tools
> available to squid then there are to snort, because snort isn't meant to
> do this type of work.  Squid, on the other hand, is.
> Unfortunately, I can't explain any better than this why you'd want to
> use squid to monitor web activity.  Using a proxy to audit user web
> activity versus using an IDS for the same seems intuitive to me (unless
> you're doing policy-based auditing, in which case you're not monitoring
> *all* activity, just the activity that might violate policy).
>
> - Ramon
>
>
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