True enough. But the redirect and proxy issues are more complex. Proxies for 
instance are commonly encrypted, which means by the time it gets to the 
firewall, it's garbldygook. You can't do deep packet inspection on an encrypted 
stream. So I think saying that firewalls are not good enough is a bit 
simplistic, no offense. 

Bob


On May 17, 2011, at 11:24 AM, Richmond Mathewson wrote:

> On 05/17/2011 09:20 PM, Bob Sneidar wrote:
>> Well it's kind of like web proxies. Many use them as a way to firewall off 
>> their site, or do load balancing with multiple servers. But they are also 
>> used to bypass content filters that are required by law in school 
>> environments. It's the old, "Fire, BAD! No wait, fire GOOD!" conundrum. If 
>> you try to block the bad, you also break the good.
>> 
> Nuclear physics gives us wonderful medical tools, it also gives us atom bombs.
> 
> The internet and computers give us Livecode, they also give us online poker . 
> . .
> 
> it seems that it is very difficult to have one without the other; I suppose
> that is why God gave us brains . . .  :)
> 
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