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SubjectRe: Dynamic IP hack (PR#294)
Ummm what happens when 20 or 30 customers of IP MASQed isp descide us use
say ... efnet ?

Gerhard



On Wed, 21 Oct 1998, Riley Williams wrote:

> Hi Meelis.
>
> >> Would your customers be unhappy if you installed a firewall? If
> >> not, then it's very simple to get hold of MILLIONS of addresses
> >> for static IP purposes, as has been stated at least twice
> >> before...
>
> > IP masq != firewall in a strict sense.
>
> True, but as the same software's used to control both under Linux 2.0
> kernels, there's not a great deal to differentiate them from a
> practical point of view...
>
> > With NAT, your clients can not use many protocols that they could
> > use otherwise. Still, for most clients it's ok. ICQ w/incoming
> > calls is the only one I've had problems with in such setup ;-)
>
> There's one other I've come across, namely net2phone. However, whilst
> they're not directly supporting masquerading, they have programmed a
> work-around to deal with it - net2phone can be set up to use specific
> port numbers, rather than the standard "random free port" system now,
> since I've notified them of the problem...
>
> Incidentally, I met it when setting up Linux as an IP Masq firewall to
> a network of Win95 and Win98 systems...net2phone is not available in
> Linux versions, and they don't currently plan to support Linux either,
> unfortunately...
>
> Best wishes from Riley.
>
>
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--
Gerhard Mack

gmack@imag.net
InnerFIRE@starchat.net

As a computer I find your faith in technology amusing.




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