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:* '''Inbound traffic is of two distinct types'''. Our diagram shows:
::# '''New incoming connections''' (what you normally think of as '''<u>inbound traffic</u>'''): the web server receives a '''new incoming connection'''.::# '''Incoming <u>data </u> that's a response to a request''': the web page that the server sent back in the diagram above.
::::We normally don't want to do anything special for the response. It is safe to assume that '''a connection that was allowed to be established should be allowed to receive a response'''. This is accomplished with the following INPUT chain rule that should be there by default on your machines:<br>
