9. A gateway sets up two TCP connections, one between itself and a TCP user on an inner host and one between itself and a TCP user on an outside host.

Stateful inspection

Explanation:

Stateful inspection: This is also known as dynamic packet filtering, it is a type firewall technology that monitors the state of active connections and uses this information to determine which network packets will be allowed through the firewall.

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

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you go to add your answer type bewteen 5000 and 20 characters and can only have 2 people answer on 1 question.your challanges are based on your questions.