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ANSWERED Custom TLS re-keying intervals in OPVN client

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Check the directive:

reneg-sec n


where n is in seconds


in the OpenVPN manual: https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage


OpenVPN uses the previous key as long as the new key is not fully re-negotiated. Such "smart overlapping time window" ensures no communications break. Just make sure to not set extremely low values, because a re-keying adds anyway a moderate overhead in bytes, in computation power and you probably don't want that your side is willing to ask for a re-keying immediately after the previous one is over.


Kind regards

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