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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 7.3
    Zyxel Intrusion Prevention System vs CrowdSec
  2. 2
    Wazuh Free plan apiLinuxMacself-hostedWeb $571/mo7.1
    Zyxel Intrusion Prevention System vs Wazuh
  3. 3
    OSSEC Free plan LinuxMacself-hostedWin $5/mo7.0
    Zyxel Intrusion Prevention System vs OSSEC
  4. 4
    Suricata Free plan LinuxMacWin Free7.0
    Zyxel Intrusion Prevention System vs Suricata
  5. 5
    pfSense Free plan Linuxself-hostedWeb 6.9
    Zyxel Intrusion Prevention System vs pfSense
  6. 6
    SELKS Free plan Linuxself-hostedWebWin Free6.9
    Zyxel Intrusion Prevention System vs SELKS
  7. 7
    Zscaler Private Access AndroidiOSLinuxMacWeb 6.9
    Zyxel Intrusion Prevention System vs Zscaler Private Access
  8. 8
    Arista NG Firewall Free plan Web $22.50/mo6.8
    Zyxel Intrusion Prevention System vs Arista NG Firewall
  9. 9
    IPFire Free plan Linuxself-hostedWeb Free6.8
    Zyxel Intrusion Prevention System vs IPFire
  10. 10
    OPNsense Free plan apiself-hostedWeb 6.8
    Zyxel Intrusion Prevention System vs OPNsense
  11. 11
    Snort Free plan Linuxself-hosted $2.50/mo6.7
    Zyxel Intrusion Prevention System vs Snort
  12. 12
    Trellix Data Loss Prevention apiMacself-hostedWebWin 6.7
    Zyxel Intrusion Prevention System vs Trellix Data Loss Prevention
  13. 13
    scanlogd Free plan Linuxself-hosted Free6.6
    Zyxel Intrusion Prevention System vs scanlogd
  14. 14
    WatchGuard FireCloud Free trial AndroidapiiOSMacself-hosted $8.15/mo6.5
    Zyxel Intrusion Prevention System vs WatchGuard FireCloud
  15. 15
    Check Point DDoS Protector Linuxself-hostedWeb 6.4
    Zyxel Intrusion Prevention System vs Check Point DDoS Protector
  16. 16
    Atomic OSSEC Free trial LinuxMacself-hostedWebWin 6.3
    Zyxel Intrusion Prevention System vs Atomic OSSEC
  17. 17
    Securepoint RC1000R G6 AndroidiOSWebWin 6.3
    Zyxel Intrusion Prevention System vs Securepoint RC1000R G6
  18. 18
    Huawei HiSecEngine USG6800G Web 6.2
    Zyxel Intrusion Prevention System vs Huawei HiSecEngine USG6800G
  19. 19
    Stormshield Management Center Free trial apiLinuxself-hostedWeb 6.2
    Zyxel Intrusion Prevention System vs Stormshield Management Center
  20. 20
    Forcepoint ZTNA Macself-hostedWebWin 6.1
    Zyxel Intrusion Prevention System vs Forcepoint ZTNA

Zyxel Intrusion Prevention System alternatives compared

#AppScoreFree planFromRuns on
1CrowdSec7.3Free planAPI, Browser, Linux, Mac, self-hosted, Web, Windows
2Wazuh7.1Free plan$571/moAPI, Linux, Mac, self-hosted, Web, Windows
3OSSEC7.0Free plan$5/moLinux, Mac, self-hosted, Windows
4Suricata7.0Free planFreeLinux, Mac, Windows
5pfSense6.9Free planLinux, self-hosted, Web
6SELKS6.9Free planFreeLinux, self-hosted, Web, Windows
7Zscaler Private Access6.9Android, iOS, Linux, Mac, Web, Windows
8Arista NG Firewall6.8Free plan$22.50/moWeb
9IPFire6.8Free planFreeLinux, self-hosted, Web
10OPNsense6.8Free planAPI, self-hosted, Web
11Snort6.7Free plan$2.50/moLinux, self-hosted
12Trellix Data Loss Prevention6.7API, Mac, self-hosted, Web, Windows
13scanlogd6.6Free planFreeLinux, self-hosted
14WatchGuard FireCloud6.5No$8.15/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
15Check Point DDoS Protector6.4Linux, self-hosted, Web
16Atomic OSSEC6.3NoLinux, Mac, self-hosted, Web, Windows
17Securepoint RC1000R G66.3Android, iOS, Web, Windows
18Huawei HiSecEngine USG6800G6.2Web
19Stormshield Management Center6.2API, Linux, self-hosted, Web
20Forcepoint ZTNA6.1Mac, 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 7.3 out of 10. The others here: Wazuh, OSSEC, Suricata 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: documentation depth, a free tier and the platforms it runs on.