Some thoughts below...
-----Original Message-----
From: Bo Berglund <bo.bergl...@gmail.com>
Sent: Sunday, July 30, 2023 6:02 PM
To: openvpn-users@lists.sourceforge.net
Subject: Re: [Openvpn-users] How to write the iptables rules for a NIC with
multiple IP addresses?
On Sat, 29 Jul 2023 14:11:48 +0000 (UTC), Jason Long via Openvpn-users
<openvpn-users@lists.sourceforge.net> wrote:
>How can OpenVPN recognize that the configuration files Server-1.conf,
>Server-2.conf and Server-3.conf should be for IP address "1.2.3.4"?
>Should I change the name of the NIC to the IP address?
Server conf file options from the OpenVPN Reference Manual (which you should
read as a start n my view):
--local host
Local host name or IP address for bind. If specified, OpenVPN will
bind to this address only. If unspecified, OpenVPN will bind to all
interfaces.
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I would advice AGAINST using "host name".
If DNS resolving temporariry fails during startup you're into trouble, while
not if using hard IP-addresses.
Also, if you have multiple IP-address tied to the URL, you are at the mercy of
the DNS-resolver.
Just my $0.02
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