Is it correct to think of interfaces vs routers as in "where the packet ends up going"?

Wojtek Swiatek <[email protected]> Thu, 3 Jan 2019 13:06:38 +0100
Newsgroups gmane.comp.security.firewalls.firehol.user
Message-ID <CAPRYYOZQ2iOV2O1nHGPPG6FhuHn67oOvYgtjXipmqf8tE9QJgw@mail.gmail.com>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