firewall

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fire·wall

(fīr'wawl)
1. A special building material that is placed in walls between buildings or rooms to prevent the spread of fire.
2. A software program designed to prevent unauthorized persons from accessing a computer system.

firewall

A set of programs that protects the resources of a private computer network from users of other networks. It screens the messages that attempt to enter or leave the network and permits or denies access to outside users based on pre-programmed rules.
References in periodicals archive ?
The mission of soldiers serving on the DMZ is to defend their nation first, and then to fight boredom second.
Despite the U.S.-North Korean standoff over North Korea's claim to have nuclear weapons, the two Koreas have taken many steps together that affect the DMZ and will lead toward agreement on what will happen there.
This platoon is kept busy providing security for the villagers and tracking daily farming activities within the DMZ. The HHC also has a Military Police platoon, whose responsibilities range from the security of Camp Bonifas to support for the NNSC.
At the JSA, unarmed soldiers from the two Koreas serve as DMZ police and wear yellow armbands printed with "Panmunjom DMZ Police" in Korean.
A military deal was also signed Wednesday to disarm the Joint Security Area in the DMZ and each pull out 11 guard posts on a trial basis by the end of this year.
forces brought some 100 wooden coffins into the DMZ last month, which will be used to transport the remains, according to Yonhap.
President of Ryerson University Sheldon Levy said: "The DMZ offers start-ups tools and an environment for success, including an unparalleled network to grow both in Canada and abroad.
On May 24, 2015, which is International Women's Day for Peace and Disarmament, 30 women peacemakers from 15 countries plan to walk across the demilitarized zone (DMZ) that separates North and South Korea.
Using Safe-T's patented technology, RSAccess eliminates the need to store sensitive data in the DMZ (demilitarized zone) and to maintain incoming firewall ports, which can expose the internal network to cyber-attacks.
So, we can say now that there have been three US-North Korea summits: Singapore, Hanoi, and Panmunjom (the site of the Joint Security Area at the DMZ where the summit took place).