HAProxy
Depends
Confidence: Medium
A buy for engineering teams running serious traffic who are comfortable with config files and patching.
Comparison
HAProxy vs Wallarm
HAProxy and Wallarm both land on Depends.
Wallarm
Depends
Confidence: Medium
Buy if you're a security team at an API-heavy mid-size or enterprise company with budget for negotiated contracts.
| Compare | HAProxy | Wallarm |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | High-traffic web infrastructure | API-heavy product companies |
| Who it's not for | Non-technical teams wanting a dashboard | Small teams with simple apps |
| Privacy | Mature, actively patched open-source project; several CVEs disclosed 2023-2024, including one critical (CVSS 9.1, patched).⁸ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | No support evidence in reviewed sources | No direct support reviews found |
| Public sentiment | Comparisons and guides consistently describe HAProxy as fast, stable and highly configurable, but aimed at hands-on operators rather than beginners.⁴ | Reviewers on G2 and Gartner generally praise reliability and detection, while comparison sites repeatedly flag high pricing. |
| Biggest gotcha | Multiple HTTP request-smuggling CVEs disclosed 2023-2024; patch promptly⁹ | Pricing is quote-based; reviewers report high costs and unpredictable quotes14 |
Pick HAProxy when
- High-traffic web infrastructure
- Teams with in-house ops skills
- TCP and database load balancing
- Cost-sensitive scaling
When HAProxy is not a fit
- Non-technical teams wanting a dashboard
- Anyone wanting a fully managed cloud LB
- Small sites with one server . use your host's balancer
- Teams that won't track security patches
Pick Wallarm when
- API-heavy product companies
- Security teams replacing legacy WAFs
- Enterprises securing AI workloads and agents
- Dev, Sec, and Ops platform teams
When Wallarm is not a fit
- Small teams with simple apps
- Startups without dedicated security staff
- Budget-constrained buyers wanting flat, predictable pricing
- Anyone needing only self-serve, basic WAF coverage
Sources
- HAProxy official sitehaproxy.orgofficial
- HAProxy Load Balancer Configuration Basicshaproxy.comofficial
- What Is HAProxy? A Practical Guide to L4/L7 Load Balancinglogicmonitor.comreview
review
- 11 Top Load Balancers for 2026xurrent.comreview
review
- How to Use HAProxy for Load Balancingakamai.comreview
- CVE-2023-25725: CRITICAL (CVSS 9.1) · Patchedechelongraph.iosecurity
security
- HAProxy, powering today's applications . High Scalabilityhighscalability.comnews
review
- Wallarm Cloud-Native WAAP Reviews . Gartnergartner.comreview
review
- Imperva vs Wallarm . RFP.wikirfp.wikireview
- Wallarm cost data . Vendrvendr.comreview
- Wallarm on AWS Marketplaceaws.amazon.comofficial
