How to force a connection to go out of machine?

[James Knott]

Lennart Sorensen wrote:
> On Thu, May 16, 2013 at 05:29:45PM -0400, James Knott wrote:
>> Will the router pass "foreign" packets coming from one of it's
>> interfaces?  That's basic firewall rule stuff to prevent that from
>> happening.
> Depends what kind of interfaces they are and how the firewall is
> configured to work.
>

Well, with consumer level routers, the WiFi is generally bridged to the 
Ethernet, so it's not going to make any difference.  As for allowing 
foreign addresses, as I mentioned, that's basic firewall stuff and it 
would have to be a crappy firewall that allowed it.  In short, the 
router portion should not pass any traffic from an address that's not 
within it's configured subnet.  This is done to prevent spoofing.  On 
the other hand, industrial level routers can be configured to do that, 
with appropriate rules.
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