On 06.08.23 22:41, Jason Long via Openvpn-users wrote:
Hello,Any idea?I would be grateful if someone could guide me.On Wed, Aug 2, 2023 at 11:17 PM, Jason Long via Openvpn-users<openvpn-users@lists.sourceforge.net> wrote: Hello,To use OpenVPN with a NIC that has multiple IP addresses set on it, I need to use the following statement in the server configuration file: Local "Virtual IP" But, when I use the following firewall rules and specify the virtual NIC, OpenVPN network card and IP range, is there still a need for Local "Virtual IP"?
The "local" statement is *necessary* when and if the same port as in the OpenVPN config needs to be used somewhere else as well (be it by another OpenVPN instance, or some entirely different software), so as to use different *IP*-and-port combos instead. The conflict occurs as soon as the second software tries to start *LISTENing* on that port, with *no packets* being sent yet. Hence, your iptables setup is entirely irrelevant there.
Kind regards, -- Jochen Bern Systemingenieur Binect GmbH
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