I can¡¯t get the information because there is a firewall blocking it.
Many companies put up firewalls to block out intruders.
I put up a firewall on my computer at home to stop hackers from getting in.
You see the word ¡°wall¡± in firewall. When you put up a firewall you are blocking someone from getting at some information on a computer. Companies put up firewalls in their own computer system to stop employees from looking at information they shouldn¡¯t be looking at (The president of the company doesn¡¯t want people going into the accounting files to find out how much money he makes!). Some people may put them up to stop hackers from getting into their computer system. If you want a detailed explanation you can go to http://www.techweb.com/encyclopedia/defineterm?term=firewall.
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TIP
*intruder ħÀÔÀÚ, ¹æÇØÀÚ
*put up ¿Ã¸®´Ù, Ä¡´Ù, Áþ´Ù
*hacker ÄÄÇ»Åͱ¤, ÇØÄ¿, Àü¹®°¡