Question: Your host in this example has IP address 172.16.1.1. Someone tries to send email from a remote host with IP address 192.168.3.4. If successful, this

Your host in this example has IP address 172.16.1.1. Someone tries to send email from a remote host with IP address 192.168.3.4. If successful, this generates an SMTP dialogue between the remote user and the SMTP server on your host consisting of SMTP commands and mail. Additionally, assume that a user on your host tries to send e-mail to the SMTP server on the remote system. Four typical packets for this scenario are as shown: Indicate which packets are permitted or denied and which rule is used in each

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