Best web application firewalls (October 2026)
We earn a commission if you buy through some links on this page, at no extra cost to you. It never affects the order. How we make money.
Block bots, brute-force attacks and malicious traffic before it reaches your site.
The ranking
- 1
Cloudflare
by CloudflareBest free starting pointCDN, WAF and DDoS protection, with the WAF and free managed ruleset on every plan.
Free planManaged rule setsDDoS protectionPros
- Free plan
- Managed rule sets
Cons
- No drawbacks found in our data
- 2
AWS WAF
by AWSLowest entry priceWeb application firewall for apps on AWS, billed per web ACL, rule and request.
Pros
- Managed rule sets
Cons
- No free plan
- DDoS protection: check on AWS WAF's site
- 3
Sucuri
by SucuriGood all-round optionWebsite firewall and malware clean-up, popular with WordPress sites.
Pros
- —
Cons
- No free plan
- Managed rule sets, DDoS protection: check on Sucuri's site
Compare all in a table
| Rank | Product | Score | Entry price (USD) | Free plan | Managed rule sets | DDoS protection | Action |
|---|---|---|---|---|---|---|---|
| 1 | Cloudflare | 81 | 20.00 | Yes | Yes | Yes | Visit site |
| 2 | AWS WAF | 60 | 5.00 | No | Yes | Not confirmed | Visit site |
| 3 | Sucuri | 38 | 9.99 | No | Not confirmed | Not confirmed | Visit site |
Entry price is the cheapest paid plan, converted to USD where the vendor prices in another currency. Usage-based prices are not compared.
What to check
Free plan. 1 of 3 confirm it.
Managed rule sets. 2 of 3 confirm it.
DDoS protection. 1 of 3 confirm it.
Score: features 30, free plan or trial 20, pricing transparency 25, entry price value 25. Commissions are never part of it. Full method.
Questions
What is the cheapest option?
AWS WAF, from USD 5 per month.
Is there a free option?
1 of the 3 ranked products have a free plan.