Coraza WAF vs Istio
A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Coraza WAF
Open-source enterprise-grade web application firewall
VS
Istio
Full-featured service mesh for traffic and security control
| Feature | Coraza WAF | Istio |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | Apache-2.0 |
| Language | Go | Go |
| Setup difficulty | Medium | Hard |
| Min. RAM | 128 MB | 1,024 MB |
| Deployment | source, binary | kubernetes, helm |
| GitHub stars | ★ 3,720 | ★ 38,338 |
| First released | 2021 | 2017 |
| Replaces | ModSecurity, Cloudflare WAF | AWS App Mesh |
Why pick each one
Choose Coraza WAF if…
- Released under the Apache-2.0 license
- Active community (3.7k GitHub stars)
- Written in Go
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is Coraza WAF or Istio better?
Neither is universally better. Istio has the larger community, while Coraza WAF is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Coraza WAF and Istio free and open-source?
Yes. Coraza WAF is licensed under Apache-2.0 and Istio under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Coraza WAF and Istio with Docker?
Coraza WAF: check the project docs for container support. Istio: check the project docs for container support.