pfSense vs Zscaler Internet Access
No leader: the top candidate Zscaler Internet Access has only 0.09 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for firewalls. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
pfSense
A comprehensive network security solution offering firewall, VPN, and routing capabilities. Deployed across millions of installations globally, it serves organizations from small businesses to large enterprises and government agencies.
Zscaler Internet Access
A cloud-delivered secure web gateway that uses zero-trust proxy architecture to inspect all TLS/SSL traffic at scale and protect against threats, malware, and unauthorized access to SaaS and cloud applications. It combines AI-powered threat detection, identity-based policies, and real-time intelligence to secure internet access from any location.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
pfSense
Free community edition (pfSense CE) plus subscription-based pfSense Plus with cloud marketplace options
Zscaler Internet Access
Pricing not documented yet.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
pfSense
- AWS Marketplace
- Azure Marketplace
- FreeBSD
- FD.io VPP
- DPDK
- OpenVPN
- IPsec
- WireGuard
- Snort
- Suricata
Zscaler Internet Access
- SIEM
- SOAR
- XDR
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.