On Tue, 2017-01-24 at 21:17 +0900, Tomasz Chmielewski wrote:
> On 2017-01-24 21:04, Thomas Haller wrote:
> > in many common setups, the VPN gateway will forward whatever
> > packets
> > you send it. I don't agree that "would almost never work" is
> > accurate.
> 
> With OpenVPN? I'd disagree. If it's the case with OpenVPN, than it 
> usually means that someone misconfigured OpenVPN server.
> 
> It wouldn't normally act as a gateway without:
> 
> # If enabled, this directive will configure
> # all clients to redirect their default
> # network gateway through the VPN, causing
> # all IP traffic such as web browsing and
> # and DNS lookups to go through the VPN
> # (The OpenVPN server machine may need to NAT
> # or bridge the TUN/TAP interface to the internet
> # in order for this to work properly).
> ;push "redirect-gateway def1 bypass-dhcp"

Hi Tomasz,


what you quote doesn't say anything about whether the server would 
actually forward traffic for the default-route.

It says, that clients are encouraged to configure the default-route
via the VPN gateway. Depending on how you configure openvpn client-
side, it may follow the server's suggestion (--pull, ipv4.never-
default).

Whether server-side would route traffic to a certain destination
depends on the server's routes, iptable rules, ip_forward, and openvpn
options.


But there is no real disagreement here. A ~server-choice~ option
certainly would make sense. I merely said, that I don't agree with
"would almost never work".



best,
Thomas

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