Evolution of the firewall

What are the differences and similarities between the original firewalls and current firewalls?

The paper at the link below is a little bit dated, but still provides a decent history of both the evolution of firewalls and an explanation of how they work. Thanks to Cisco for making the paper available.

https://www.cisco.com/univercd/cc/td/doc/product/iaabu/centri4/user/scf4ch3.htm

This was last published in August 2001

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Evolution of the firewall

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SearchCloudSecurity

How to build a cloud security operations center

How to prepare for a zero-trust model in the cloud

How enterprise cloud VPN protects complex IT environments

SearchNetworking

An overview of 3GPP 5G releases and what each one means

The top 5 benefits of SASE -- and some drawbacks

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