What is a Proxy Firewall? - Definition from WhatIs.com

Proxy firewalls filter traffic at the application layer, providing more security than traditional firewalls. Find out the pros and cons of using them.
A proxy firewall is a network security system that protects network resources by filtering messages at the application layer.

Proxy Firewall: An Enhanced Level of Security

Benefits of proxy servers

Explicit Proxy over IPSec and GRE Tunnels - Netskope Knowledge Portal

What is a Proxy Server? How They Work + Security Risks

Packet Filter Firewall and Application Level Gateway - GeeksforGeeks

Perimeter Firewall: What Is It and How Does It Work?

The Different Types of Firewalls Explained - Study CCNA

Firewalls vs Proxy Servers: Overview, Techniques and Benefits

Creating Firewall and Masquerading Rules

What is a screened subnet and how does it work?