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Best Zyxel Intrusion Prevention System Alternatives in 2026

Updated

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

  1. 1
    CrowdSec Free plan apiextensionLinuxMacself-hosted 6.6
    Zyxel Intrusion Prevention System vs CrowdSec
  2. 2
    Wazuh Free plan apiLinuxMacself-hostedWeb $571/mo6.6
    Zyxel Intrusion Prevention System vs Wazuh
  3. 3
    OSSEC Free plan LinuxMacself-hostedWin $5/mo6.5
    Zyxel Intrusion Prevention System vs OSSEC
  4. 4
    SELKS Free plan Linuxself-hostedWebWin Free6.5
    Zyxel Intrusion Prevention System vs SELKS
  5. 5
    Suricata Free plan LinuxMacWin Free6.5
    Zyxel Intrusion Prevention System vs Suricata
  6. 6
    Arista NG Firewall Free plan Web $22.50/mo6.4
    Zyxel Intrusion Prevention System vs Arista NG Firewall
  7. 7
    IPFire Free plan Linuxself-hostedWeb Free6.4
    Zyxel Intrusion Prevention System vs IPFire
  8. 8
    OPNsense Free plan apiself-hostedWeb 6.4
    Zyxel Intrusion Prevention System vs OPNsense
  9. 9
    pfSense Free plan Linuxself-hostedWeb 6.4
    Zyxel Intrusion Prevention System vs pfSense
  10. 10
    scanlogd Free plan Linuxself-hosted Free6.3
    Zyxel Intrusion Prevention System vs scanlogd
  11. 11
    Snort Free plan Linuxself-hosted $2.50/mo6.3
    Zyxel Intrusion Prevention System vs Snort
  12. 12
    Trellix Data Loss Prevention apiMacself-hostedWebWin 5.6
    Zyxel Intrusion Prevention System vs Trellix Data Loss Prevention
  13. 13
    Check Point DDoS Protector Linuxself-hostedWeb 5.5
    Zyxel Intrusion Prevention System vs Check Point DDoS Protector
  14. 14
    Forcepoint Next Generation Firewall AndroidapiLinuxMacself-hosted 5.5
    Zyxel Intrusion Prevention System vs Forcepoint Next Generation Firewall
  15. 15
    Huawei HiSecEngine USG6800G Web 5.4
    Zyxel Intrusion Prevention System vs Huawei HiSecEngine USG6800G
  16. 16
    Stormshield Management Center Free trial apiLinuxself-hostedWeb 5.4
    Zyxel Intrusion Prevention System vs Stormshield Management Center
  17. 17
    Zscaler Private Access AndroidiOSLinuxMacWeb 5.4
    Zyxel Intrusion Prevention System vs Zscaler Private Access
  18. 18
    FortiGuard DNS Filtering Service 5.3
    Zyxel Intrusion Prevention System vs FortiGuard DNS Filtering Service
  19. 19
    Hillstone Security Management apiself-hosted 5.3
    Zyxel Intrusion Prevention System vs Hillstone Security Management
  20. 20
    WatchGuard FireCloud Free trial AndroidapiiOSMacself-hosted $8.15/mo5.3
    Zyxel Intrusion Prevention System vs WatchGuard FireCloud

Zyxel Intrusion Prevention System alternatives compared

#AppScoreFree planFromRuns on
1CrowdSec6.6Free planAPI, Browser, Linux, Mac, self-hosted, Web, Windows
2Wazuh6.6Free plan$571/moAPI, Linux, Mac, self-hosted, Web, Windows
3OSSEC6.5Free plan$5/moLinux, Mac, self-hosted, Windows
4SELKS6.5Free planFreeLinux, self-hosted, Web, Windows
5Suricata6.5Free planFreeLinux, Mac, Windows
6Arista NG Firewall6.4Free plan$22.50/moWeb
7IPFire6.4Free planFreeLinux, self-hosted, Web
8OPNsense6.4Free planAPI, self-hosted, Web
9pfSense6.4Free planLinux, self-hosted, Web
10scanlogd6.3Free planFreeLinux, self-hosted
11Snort6.3Free plan$2.50/moLinux, self-hosted
12Trellix Data Loss Prevention5.6API, Mac, self-hosted, Web, Windows
13Check Point DDoS Protector5.5Linux, self-hosted, Web
14Forcepoint Next Generation Firewall5.5Android, API, Linux, Mac, self-hosted, Windows
15Huawei HiSecEngine USG6800G5.4Web
16Stormshield Management Center5.4API, Linux, self-hosted, Web
17Zscaler Private Access5.4Android, iOS, Linux, Mac, Web, Windows
18FortiGuard DNS Filtering Service5.3
19Hillstone Security Management5.3API, self-hosted
20WatchGuard FireCloud5.3No$8.15/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
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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 6.6 out of 10. The others here: Wazuh, OSSEC, SELKS 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.