Question

firewall definition?

Answer 1

A wall or partition desingned to inhibit are prevent the spread of fire.

Answer 2

$\bold{\underline{Firewall:-}}$

→A method for keeping a network secure.

→It can be implemented in a single router that filters out unwanted packets, or it may use a combination of technologies in routers and hosts.

→Firewalls are widely used to give users access to the Internet in a secure fashion as well as to separate a company’s public Web server from its internal network.

→They are also used to keep internal network segments secure. For example, a research or accounting subnet might be vulnerable to snooping from within.

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