Specifiction
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your tool
Vendor dashboard

Best FortiGuard DNS Filtering Service Alternatives in 2026

Updated

20 tools from intrusion detection and prevention software ranked against FortiGuard DNS Filtering Service on the same published basis.

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

FortiGuard DNS Filtering Service 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
Make your tool an alternative to FortiGuard DNS Filtering Service

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about FortiGuard DNS Filtering Service alternatives

What is the best alternative to FortiGuard DNS Filtering Service?

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 FortiGuard DNS Filtering Service?

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.