You are trying to connect to an FTP server on the Internet from a computer in a school lab.You cannot get a connection. You try on another computer with the same results. The computers in the lab are able to browse the Internet. You are able to connect to this FTP server from home. What could be blocking the connection to the server?

FIREWALLS

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	A layer-2 switch
B	A wireless access point
C	A firewall
D	A layer-2 hub

Explanation:

Detailed explanation-1: -Why can’t I access an FTP site? If your computer can’t connect to that server, then either your FTP software is not working appropriately, or something on your computer (such as a firewall or other security software) is blocking all FTP connections.

Detailed explanation-2: -Launch an Internet browser from a computer or wireless device that is connected to the network. Enter the router user name and password. Select ADVANCED > USB Storage > Advanced Settings. Select the FTP (via Internet) check box. Click the Apply button. More items

Detailed explanation-3: -Open the browser (in our case we will use Firefox) Dismiss the error dialogs the server returns if necessary. Type the FTP username and password in the Log On As dialog prompt. Click OK or Log In to access the server (depending on the type of browser) 06-Mar-2023

Detailed explanation-4: -The most common quick fix for this FTP connection error is to change the port number from 21 (default FTP port) to 22 (default SFTP port), or the other way around. Disable your firewall and anti-virus software, as they could be interfering with the FTP server connection.

There is 1 question to complete.

COMPUTER NETWORKING

NETWORK SECURITY

FIREWALLS