OpenVPN/openvpn

test environment: test --persist-tun with ping-timeout

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#948 aberto em 30 de dez. de 2025

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DCOenhancementfeaturehelp wanted

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Description

So what we lack testing for is ping-timeout reconnects with DCO involved

  • --client side
  • connect
  • ping-timeout (30s) (triggerable via kill $CN on the server's management interface, or possibly via firewall rule in between - though timing is complicated if you want reconnect to succeed)
  • reconnect
  • ping-timeout again (30s)
  • eventually tls-renegotiate (300s)

and verify that pings through the tunnel are working all the time as one would expect this - fail while the server's instance is dead, but do not fail longer than 30-ish seconds.

Maybe also check the server's idea of "when did the client reconnect?" - which gives a good indication of "did ping-timeout actually work?".

The issue at hand is on FreeBSD, but I guess that having test coverage on Linux and Windows won't hurt either...

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