Why are firewalls so important within an IT environment? What are the different firewalls and are all types still in use today? What concepts/inputs would you consider when updating an out of date firewall within an IT environment? There must be at least two APA formatted references (and APA in-text citation) to support your thoughts in the post. Do not use direct quotes, rather rephrase the author's words and continue to use in-text citations. .

1. Why are firewalls so important within an IT environment? What
are the different firewalls and are all types still in use today?
What concepts/inputs would you consider when updating an out
of date firewall within an IT environment?
There must be at least two APA formatted references (and APA
in-text citation) to support your thoughts in the post. Do not use
direct quotes, rather rephrase the author's words and continue to
use in-text citations.