Side by side
InterSafe WebFilter vs webfilter-ng
Both stand on internet filtering software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial LinuxWebWindows
InterSafe WebFilter provides granular access policies, a large categorized URL database and multiple enterprise integrations. Buyers should account for server requirements, terminal-based licensing and the paid-only model.
Visit InterSafe WebFilter Free plan LinuxSelf-hosted
webfilter-ng offers several domain-filtering methods while avoiding HTTPS decryption and client proxy configuration. Linux networking requirements and limits around IPv6 and QUIC should be considered before deployment.
Visit webfilter-ngThe facts
| InterSafe WebFilter | webfilter-ng | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Web, Windows | Linux, Self-hosted |
| Lowest paid plan | InterSafe WebFilter (1–5 terminals, 1-year contract): ¥50,000 a year | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | alsi.co.jp | github.com |
| On internet filtering software | #31 of 65 | #27 of 65 |
InterSafe WebFilter: what it does well
- Policies can target departments, users or groups
- Database updates at least three times daily
- Custom blocklists and safe-search controls
- 30-day evaluation key available
- Supports Windows Server and Red Hat Enterprise Linux
What to know first
- No free plan
- 1–5 terminal plan requires server installation
- ARM-based CPUs are not supported
- License counts all internet-connected terminals
webfilter-ng: what it does well
- Filters HTTPS through SNI without decryption
- Works without client proxy settings
- Supports whitelists and blacklists
- Provides safe-search controls through BIND9 RPZ
- Free and licensed under LGPL-3.0
What to know first
- IPv6 is not supported
- Standard IETF QUIC is not filtered
- Installation targets Debian or Ubuntu
- Categorify API option is gateway-only
Alternatives to InterSafe WebFilter Alternatives to webfilter-ng The whole list