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Todo #13189
closed
Input validation should reject the combination of DCO and P2P mode
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Due date:
% Done:
100%
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Description
DCO has issues with OpenVPN's peer-to-peer mode (tunnel network /30-/32) and we should prevent that combination of settings.
It looked like it might work at first but as the DCO implementation in OpenVPN has evolved it's having issues because P2P mode can't negotiate the necessary parts for DCO.
It works fine with client/server mode (e.g. /24 tunnel network).
The only way to tell the difference is by the size of the tunnel network so we can't hide things automatically, but we can detect it on save and also note the limit in the GUI.
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