From: Ludolf Holzheid <[email protected]> Date: Thu, 25 Jan 2018 18:23:58 +0100

If it was in this diagram, it would be a 'local process' on the application layer.

So, two softwares, netfilter and stunnel, in a computer system. stunnel in the OSI application layer and netfilter in the protocol, network and link layers. That's a relationship.

Obviously nowhere. (Stunnel is not related to the Linux Netfilter.).

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