Port 2
Your dum to not no the answer.
Information used are the source port number, the destination port number and ip addresses.
It's better known as Port of Discharge and it's abbreviated as POD.
• checksum • destination port • source port
Landed to destination port and duty paid.
The host and destination ports.
So the destination host knows what port to send it to. If the destination just takes a guess as to what port to send it to and sends an RDP packet to port 80 what do you think is going to happen?
The payment is realized after discharging of goods in port of destination?
It is a TCP Header
Landed at Destination Port (duty paid)
Standard Access Control Lists (ACLs) only allows you to permit or deny source addresses. You can not block based on protocol, port, or destination. Extended ACLS allow you to block traffic based on source address, destination address, source port, destination port, and protocol.