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WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Deployment Patterns

WAF Overview

A Web Application Firewall (WAF) filters and monitors HTTP traffic between web applications and the internet. It protects against common attacks like SQL injection, XSS, and CSRF.

Inline WAF Deployment

The WAF sits directly in the request path:

ModSecurity configuration

SecRuleEngine On

SecRequestBodyAccess On

SecResponseBodyAccess On

SQL Injection prevention

SecRule REQUEST_COOKIES|REQUEST_COOKIES_NAMES|ARGS_NAMES|ARGS|XML:/* \

"/((\%27)|(\'))\s*((\%6F)|o|(\%4F))((\%72)|r|(\%52))/ix" \

"id:'981173',\

phase:2,\

deny,\

status:403,\

msg:'SQL Injection Attack'"

XSS prevention

SecRule ARGS "@detectXSS"…