Definitions (3)
Popular Terms
1. Banking: Laws that obligate a bank to completely segregate its securities underwriting business from its deposit taking and loan making activities. These legal firewalls aim to prevent banks from using the depositors' funds in speculative ventures, and thus comply with the statutes such as US Glass-Steagall Act or 1933. Also called Chinese wall, or ethical wall.
2. Building: Wall built to prevent or slow down the spread of flames from one part of a building to another.
3. Computer security: Hardware/software device that acts like a filter or gatekeeper to stop unauthorized users from accessing a firm's internal or sensitive data or applications.
Computer firewalls achieve this segregation by preventing direct connection to the computers inside the firewalls by those outside of it. All requested information or services are 'relayed' through the firewall instead of being delivered direct to the user.

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