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Accessing and Managing COM Ports on Windows

To access and manage COM ports on Windows, follow these steps:

1. Open the app and go to the "Manage Ports" tab.
2. Choose the desired port from the dropdown menu or enter the specific port names manually.
3. After selecting the port names, click on the "Add Pair" button.

Adjusting Router Settings

To adjust router settings, you can access them using the following network addresses: 192.168.0.1, 192.168.1.1, and 192.168.1.254.

Accessing Router Ports for D-Link

To access the router ports for a D-Link device, follow these steps:

1. Open the D-Link router.
2. Go to the "Advanced" tab at the top.
3. Find the "Port Forwarding" option on the left sidebar.

Opening Port 8080

To open port 8080, follow these steps:

1. Select "Control Panel" from the Start menu.
2. Click on "Windows Firewall."
3. Click on "Advanced Settings" in the left column of the Windows Firewall window.
4. In the left column of the "Windows Firewall with Advanced Security" window, select the inbound connection rules.

Available TCP Ports

The following TCP ports are available:

• Port 7: ECHO
• Port 143: IMAP (Internet Message Access Protocol)
• Port 161: SNMP (Simple Network Management Protocol)
• Port 389: LDAP (Lightweight Directory Access Protocol)
• Port 443: HTTPS (Secure HTTP)

Number of Ports on a Computer

The main physical ports on a computer include:

• Green audio port for speakers or headphone jack
• USB ports (usually Type A, but now also Type C)
• Display connection ports such as HDMI, DVI, Display Port, and VGA
• LAN card port

Meaning of "Port 80"

When referring to protocols, "port" is often used. A set of formal rules established by two or more entities to facilitate communication is known as a protocol. Port 80 represents HTTP or the Hypertext Transfer Protocol.

Difference between UDP and TCP

The difference between UDP and TCP protocols is that UDP is faster but less reliable compared to TCP, which is slower. This indicates that they are suitable for a variety of purposes. One advantage of TCP is the ability to pause and resume file transmission.

Function of UDP Port

UDP and TCP protocols establish a connection, reassemble data packets after transmission, and send them to the recipient’s targeted programs during internet communication.

Opening COM Port

To open and activate a COM port, follow these steps:

1. Open the app and go to the "Manage Ports" tab.
2. Choose custom port names from the dropdown menu or enter them manually.
3. After selecting the ports, click on the "Add Pair" button to complete the process.

Opening Port 8080 in this Context

To open port 8080 in this context, follow these steps:

1. Select "Control Panel" from the Start menu.
2. Click on "Windows Firewall."
3. Click on "Advanced Settings" in the left column of the Windows Firewall window.
4. In the left column of the "Windows Firewall with Advanced Security" window, select the inbound connection rules.

Meaning of Port 80

When referring to protocols, "port" is often used. A set of formal rules established by two or more entities to facilitate communication is known as a protocol. Port 80 represents HTTP or the Hypertext Transfer Protocol.