Words similar to firewall

Example sentences for: firewall

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

The LAT front runs a feature detailing the battle in China between "hacktivists"--politically-minded hackers--and the government over the so-called Great Chinese Firewall, Beijing's system of filters designed to keep Chinese citizens from accessing online news and other sites that induce doubt about the official government line.
These organizations do not seem to have the "firewall" needs/concerns as other organizations.
Book -- Firewall: The Iran-Contra Conspiracy and Cover-Up , by Lawrence E. Walsh;
Walsh's theory--again, not a novel one--is that the president's aides successfully constructed a "firewall" to prevent Reagan from being implicated in the scandal.