On Tue, 2020-11-17 at 09:00 -0500, William Oliver wrote:
> This isn't a fedora-specific question, but I don't know where to ask.
>
> If there's a fedora-specific answer, thanks, and if not, I'd
> appreciate a pointer to the apprpropriate forum.
>
> I normally use a VPN that routes through another country. This works
> fine. However, a site I often use recently changed its security
> policies and now will only allow connection from networks that claim to
> be based in the US. So, in order to connect, I either have to turn off
> my VPN or rout it through a US proxy or just my ISP -- which I can do,
> but I resent it a little.
>
> So, I was thinking about adding another network card. I'd have one
> attached to my VPN and another attached just to the ISP. I'd like for
> some applications to use one card and other applications to use
> another, e.g. my browser to use the ISP-attached card and my email
> client to use the VPN-attached card.
>
> I've set up machines as bridges and gateways before, and I can
> configure moving traffic between two cards, but I've never tried to
> have different applications use different cards.
>
> Is this doable? Does anybody know where to look for info?
It is theoretically possible to get the same result without having to
buy a new card. Some VPNs support "split tunnelling", which will in
effect create an additional virtual interface and let you connect to
selected destinations through it rather than the default. AFAIK it all
involves playing games with network namespaces ('ip -netns ...').
I say "theoretically" because I've never actually managed to get this
to work in Fedora, though there are several articles on the subject for
other distros.
Note that even if you buy a new card, it will still be connected to
your ISP, so I don't think you'll gain anything.
poc
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