Don&#x27;t use out-of-the-box Diffie Hellman params, I suppose. See, e.g., [1,2].<p>[1] <a href="https:&#x2F;&#x2F;weakdh.org&#x2F;" rel="nofollow">https:&#x2F;&#x2F;weakdh.org&#x2F;</a><p>[2] <a href="http:&#x2F;&#x2F;security.stackexchange.com&#x2F;questions&#x2F;42415&#x2F;openvpn-dhparam" rel="nofollow">http:&#x2F;&#x2F;security.stackexchange.com&#x2F;questions&#x2F;42415&#x2F;openvpn-dh...</a>