Is it possible to route different applications through different network interfaces?

Question

Let's say (hypothetically) I want to route /usr/bin/thunderbird through vlan0 but /usr/bin/firefox through eth0.

Is there a way? And if so, is there a graphical tool for it as well?

ypnos · Accepted Answer · 2011-01-13 12:25:51Z

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An easier solution is a custom routing to specific hosts, in your example, to your mail server.

answered Jan 13, 2011 at 12:25

ypnos

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vtest · Accepted Answer · 2011-01-13 17:34:20Z

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Routing is done at IP level, which doesn't know anything about applications that are generating traffic. So I don't think it's possible.

answered Jan 13, 2011 at 17:34

vtest

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How is it possible then that with netstat -p you can see the program behind a specific network connection?
– mydoghasworms
Commented Jun 7, 2011 at 18:34

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