# Snort++ vs ThreatSTOP Protective DNS: side-by-side comparison (2026)

[Snort++](https://cybersectools.com/tools/snort-1) is a free [intrusion detection and prevention systems](https://cybersectools.com/categories/idps) solution. [ThreatSTOP Protective DNS](https://cybersectools.com/tools/threatstop-platform) is a commercial [intrusion detection and prevention systems](https://cybersectools.com/categories/idps) solution by [ThreatSTOP](https://cybersectools.com/companies/threatstop). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Snort++ | ThreatSTOP Protective DNS |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Intrusion Detection and Prevention Systems | Intrusion Detection and Prevention Systems |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | 3,053 | – |
| Last commit | Sep 2025 | – |
| Company | – | ThreatSTOP |
| Headquarters | – | – |

### Use cases and capabilities

| | Snort++ | ThreatSTOP Protective DNS |
|---|---|---|
| Snort | Yes | – |
| Ransomware | – | Yes |
| Cyber Threat Intelligence | – | Yes |

### Core features

**Snort++**

No features listed.

**ThreatSTOP Protective DNS**

10 features listed. Sign in on the page to see them.

### Integrations

**Snort++**

No integrations listed.

**ThreatSTOP Protective DNS**

9 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Snort++](https://cybersectools.com/tools/snort-1) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
- [ThreatSTOP Protective DNS](https://cybersectools.com/tools/threatstop-platform) fits if you want a cloud product and you are a startup.

## Snort++ vs ThreatSTOP Protective DNS FAQ

Common questions when comparing Snort++ vs ThreatSTOP Protective DNS for intrusion detection and prevention systems.

### What is the difference between Snort++ and ThreatSTOP Protective DNS?

**Snort++**: Snort 3 is the next generation Snort IPS with enhanced features and improved cross-platform support.

**ThreatSTOP Protective DNS**: DNS-layer threat blocking service with real-time threat intelligence feeds. Built by ThreatSTOP.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Snort++ and ThreatSTOP Protective DNS?

**Snort++** is open-source with 3,053 GitHub stars. **ThreatSTOP Protective DNS** is made by ThreatSTOP. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Snort++ a good alternative to ThreatSTOP Protective DNS?

Often, yes. Snort++ and ThreatSTOP Protective DNS are both Intrusion Detection and Prevention Systems products. Key differences: Snort++ is Free while ThreatSTOP Protective DNS is Commercial, Snort++ is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Snort++ vs Infoblox Threat Defense](https://cybersectools.com/compare/infoblox-threat-defense-vs-snort-1)
- [Snort++ vs Palo Alto Networks Advanced DNS Security](https://cybersectools.com/compare/palo-alto-networks-advanced-dns-security-vs-snort-1)
- [Snort++ vs Centripetal CleanINTERNET®](https://cybersectools.com/compare/centripetal-cleaninternetr-vs-snort-1)
- [ThreatSTOP Protective DNS vs Infoblox Threat Defense](https://cybersectools.com/compare/infoblox-threat-defense-vs-threatstop-platform)
- [ThreatSTOP Protective DNS vs Palo Alto Networks Advanced DNS Security](https://cybersectools.com/compare/palo-alto-networks-advanced-dns-security-vs-threatstop-platform)
- [ThreatSTOP Protective DNS vs Centripetal CleanINTERNET®](https://cybersectools.com/compare/centripetal-cleaninternetr-vs-threatstop-platform)

## Alternatives to each

- [See all Snort++ alternatives](https://cybersectools.com/alternatives/snort-1)
- [See all ThreatSTOP Protective DNS alternatives](https://cybersectools.com/alternatives/threatstop-platform)

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Source: https://cybersectools.com/compare/snort-1-vs-threatstop-platform

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More on Snort++ and ThreatSTOP Protective DNS: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md