I work in this space who has a commercial offering. Ill just leave this CSA spec here for reference. Please also look up SPA - newer than port knocking, but bas

I work in this space who has a commercial offering. Ill just leave this CSA spec here for reference. Please also look up SPA - newer than port knocking, but based on same premise. https://downloads.cloudsecurityalliance.org/initiatives/sdp/SDP_Specification_1.0.pdf https://downloads.cloudsecurityalliance.org/initiatives/sdp/...