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.
Members of the central group possess a variety of technical skills and have specific information security responsibilities, such as developing policy, maintaining the firewall that protects the organization's network from unauthorized intrusions, or supporting security staff assigned to individual business units.
Book -- Firewall: The Iran-Contra Conspiracy and Cover-Up , by Lawrence E. Walsh;
It's not an absolute firewall anymore, is it?
UPS, which alleges that USPS uses its first-class mail monopoly profits to subsidize competitive services, has asked that the firewall between the Postal Service's monopoly and competitive services be strengthened.