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Bug#692025: linux: internet connection refused after new route



On Sun, 2012-11-04 at 17:59 -0800, Jonathan Nieder wrote:
> Patrik Nilsson wrote:
> 
> > No error messages or anything else is shown: The connection just doesn't
> > work when I try it. It is why I suspect that if a (background) program
> > holds a socket open, the kernel can't set the route. Although it reports
> > the correct route.
> 
> I don't know anything about these things --- Ben is the networking
> expert here. :)

While the existence of a socket can make the kernel hold onto routing
information that has otherwise been deleed, this is not supposed to
affect routing for any new sockets.

Ben.

> Anyway, could you send "ip r" output from before and after connecting
> to your openvpn server, just to humor us?  Also could you strace a
> program that tries to connect and fails in this scenario, so we can
> see what syscalls it makes and what response the kernel gives?

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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