Am 11.11.23 um 22:52 schrieb Bernhard Schmidt:
The hook is to start a VPN tunnel after an underlying network interface comes up, see README.Debian--- /etc/network/interfaces can be configured to start and stop openvpn when the underlying network interface is brought up and down. To do so add a line such as "openvpn vpn1" to the stanza for the underlying network interface, where "vpn1" is the name of the vpn to start and stop. --- I don't think this is portable to NetworkManager hooks (IIRC NetworkManager has another mechanism to start VPN tunnels as early as possible when a physical connection comes up)
Correct, NM has a builtin mechanism to activate VPN tunnels automatically if a certain base connection has become active (see the connection.secondaries mechanism documented in man nm-settings).
Thanks for the detailed reply!
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