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Network Security · DMZ Architecture · Web Application Firewall

DMZ Architecture with WAF and Layer 7 Firewall

Type Network topologyStandard Cisco-convention topology iconsEngine schematex-networkUpdated 6/23/2026
DMZ Architecture with WAF and Layer 7 Firewall
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The request

“A DMZ web application security architecture with Internet to an edge router and external firewall, then a WAF, load balancer, two web servers, an application server, an internal firewall, two database servers and a domain controller.”

Then tryAdd a bastion host in the DMZ.Add a backup database server in the internal zone.
What is in this drawing

Read the decisions behind it.

01

Use of DMZ to isolate public-facing services

02

WAF for web attack protection

03

Internal firewall for backend segmentation

When building internet-facing web applications requiring defense in depth and compliance.

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