Will Murnane wrote:
> ...
> 2)  Nope.  Nail on the head with that one.  The client hasn't sent any
> packets to ISP2 to open a connection, so if you send back a response
> via that route it'll get dropped by the client's firewall.
> ...
> On 12/7/06, Ed <[EMAIL PROTECTED]> wrote:
>> ...
>> 2) Maybe a tad simple to answer... Can I say have a user connect to my FTP
>> through ISP1 and that I route the packets out through ISP2?  My guess is
>> no 'cause the users box won't accept packages comming from another source but
>> hey, I'm no expert...

A further note on this: it's called asymmetric routing, and usually it
isn't recommended or supported by most ISPs.  There are some
circumstances when it is useful (or even required), mainly in
deployments like one-way satellite where a modem is used as an uplink
and the downstream is a much faster link.

I've used Shorewall successfully in such configurations - if you need
details please inquire on the mailing list and i'll try to answer as
best i can.

Regards,
Paul

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