Words similar to firewalls

Example sentences for: firewalls

How can you use “firewalls” in a sentence? Here are some example sentences to help you improve your vocabulary:

So our policy needs firewalls : The American business community shouldn't be able to force the United States to cave on human rights just to improve economic ties.
Some network "firewalls" may be incompatible with this software, causing the connections to terminate prematurely.
The Post runs a fascinating feature on the informational firewalls placed between FBI teams investigating U.S. terrorism plots--similar to those used in the CIA during its Cold War espionage investigations.
This error message appears on a few different computers hooked up to a few different corporate networks that I try, making me think that the network administrators have configured their "firewalls" to disable these games.
Specific control activities include frequent changes of dial-up numbers; use of dial-back access; restrictions on users to allow access only to system functions that they need; software and hardware "firewalls" to restrict access to assets, computers, and networks by external persons; and frequent changes of passwords and deactivation of former employees' passwords.