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Best Zyxel Intrusion Prevention System Alternatives in 2026

Updated

20 tools from intrusion detection and prevention software ranked against Zyxel Intrusion Prevention System on the same published basis.

  1. 1
    CrowdSec Free plan apiextensionLinuxMacself-hosted 7.9
    Zyxel Intrusion Prevention System vs CrowdSec
  2. 2
    Wazuh Free plan apiLinuxMacself-hostedWeb $571/mo7.6
    Zyxel Intrusion Prevention System vs Wazuh
  3. 3
    OSSEC Free plan LinuxMacself-hostedWin $5/mo7.5
    Zyxel Intrusion Prevention System vs OSSEC
  4. 4
    pfSense Free plan Linuxself-hostedWeb 7.4
    Zyxel Intrusion Prevention System vs pfSense
  5. 5
    Zscaler Private Access AndroidiOSLinuxMacWeb 7.4
    Zyxel Intrusion Prevention System vs Zscaler Private Access
  6. 6
    WatchGuard FireCloud Free trial AndroidapiiOSMacself-hosted $8.15/mo7.3
    Zyxel Intrusion Prevention System vs WatchGuard FireCloud
  7. 7
    SELKS Free plan Linuxself-hostedWebWin Free7.1
    Zyxel Intrusion Prevention System vs SELKS
  8. 8
    Suricata Free plan LinuxMacWin Free7.1
    Zyxel Intrusion Prevention System vs Suricata
  9. 9
    Atomic OSSEC Free trial LinuxMacself-hostedWebWin 7.0
    Zyxel Intrusion Prevention System vs Atomic OSSEC
  10. 10
    Trellix Data Loss Prevention apiMacself-hostedWebWin 7.0
    Zyxel Intrusion Prevention System vs Trellix Data Loss Prevention
  11. 11
    Arista NG Firewall Free plan Web $22.50/mo6.9
    Zyxel Intrusion Prevention System vs Arista NG Firewall
  12. 12
    Check Point DDoS Protector Linuxself-hostedWeb 6.8
    Zyxel Intrusion Prevention System vs Check Point DDoS Protector
  13. 13
    Snort Free plan Linuxself-hosted $2.50/mo6.8
    Zyxel Intrusion Prevention System vs Snort
  14. 14
    Forcepoint Next Generation Firewall AndroidapiLinuxMacself-hosted 6.7
    Zyxel Intrusion Prevention System vs Forcepoint Next Generation Firewall
  15. 15
    IPFire Free plan Linuxself-hostedWeb Free6.7
    Zyxel Intrusion Prevention System vs IPFire
  16. 16
    OPNsense Free plan apiself-hostedWeb 6.7
    Zyxel Intrusion Prevention System vs OPNsense
  17. 17
    scanlogd Free plan Linuxself-hosted Free6.7
    Zyxel Intrusion Prevention System vs scanlogd
  18. 18
    Securepoint RC1000R G6 AndroidiOSWebWin 6.7
    Zyxel Intrusion Prevention System vs Securepoint RC1000R G6
  19. 19
    Stormshield Management Center Free trial apiLinuxself-hostedWeb 6.7
    Zyxel Intrusion Prevention System vs Stormshield Management Center
  20. 20
    FortiGate Free trial self-hosted 6.6
    Zyxel Intrusion Prevention System vs FortiGate

Zyxel Intrusion Prevention System alternatives compared

#ToolScoreFree planFromRuns on
1CrowdSec7.9Free planAPI, Browser, Linux, Mac, self-hosted, Web, Windows
2Wazuh7.6Free plan$571/moAPI, Linux, Mac, self-hosted, Web, Windows
3OSSEC7.5Free plan$5/moLinux, Mac, self-hosted, Windows
4pfSense7.4Free planLinux, self-hosted, Web
5Zscaler Private Access7.4Android, iOS, Linux, Mac, Web, Windows
6WatchGuard FireCloud7.3No$8.15/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
7SELKS7.1Free planFreeLinux, self-hosted, Web, Windows
8Suricata7.1Free planFreeLinux, Mac, Windows
9Atomic OSSEC7.0NoLinux, Mac, self-hosted, Web, Windows
10Trellix Data Loss Prevention7.0API, Mac, self-hosted, Web, Windows
11Arista NG Firewall6.9Free plan$22.50/moWeb
12Check Point DDoS Protector6.8Linux, self-hosted, Web
13Snort6.8Free plan$2.50/moLinux, self-hosted
14Forcepoint Next Generation Firewall6.7Android, API, Linux, Mac, self-hosted, Windows
15IPFire6.7Free planFreeLinux, self-hosted, Web
16OPNsense6.7Free planAPI, self-hosted, Web
17scanlogd6.7Free planFreeLinux, self-hosted
18Securepoint RC1000R G66.7Android, iOS, Web, Windows
19Stormshield Management Center6.7API, Linux, self-hosted, Web
20FortiGate6.6self-hosted
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Questions about Zyxel Intrusion Prevention System alternatives

What is the best alternative to Zyxel Intrusion Prevention System?

CrowdSec, number 1 in intrusion detection and prevention software with a score of 7.9 out of 10. The others here: Wazuh, OSSEC, pfSense and 16 more.

What is the best free alternative to Zyxel Intrusion Prevention System?

CrowdSec is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.