Question

explain firewall in networking ?​

Answer 1

Answer:

i NOOB

Explanation:

Answer 2

Answer:

A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules. Firewalls have been a first line of defense in network security for over 25 years. ... A firewall can be hardware, software, or both.