Side by side
CacheGuard-OS vs Comodo Internet Security
Both stand on firewall management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxSelf-hostedWeb
Choose CacheGuard-OS if you need a free Linux network appliance combining traffic protection, VPN, filtering, caching, and WAN controls. Check the optional subscription and support terms if you need extended antivirus signatures, URL blacklists, or paid support across managed Gateways.
Visit CacheGuard-OS
Free plan AndroidExtensioniPhone+1
Comodo Internet Security pairs core protection with isolated browsing and application use. Check the listed Windows-version limits before choosing it for an older PC.
Visit Comodo Internet SecurityThe facts
| CacheGuard-OS | Comodo Internet Security | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Linux, Self-hosted, Web | Android, Extension, iPhone, Windows |
| Lowest paid plan | Free or on request | Comodo Internet Security Premium: $29.99 a year |
| Plans published | 1 | 7 |
| Maker | Not published | Comodo Internet Security |
| Website | cacheguard.com | comodo.com |
| On firewall management software | #1 of 29 | #2 of 29 |
CacheGuard-OS: what it does well
- Combines firewall, VPN, WAF, caching, antivirus inspection, and traffic shaping.
- Installs on bare-metal or virtual x86 and x64 machines.
- Offers CLI and browser-based Web GUI configuration.
- Manager can centrally manage multiple Gateways.
- Free editions include a 10-user Gateway and a two-Gateway Manager.
What to know first
- URL blacklists and extended antivirus signatures require optional subscriptions.
- Standard and Premium support require paid subscriptions.
- Support contracts cover one appliance serial number; a Manager contract excludes its Gateways.
Comodo Internet Security: what it does well
- Auto Sandbox isolates unknown files
- Firewall controls inbound and outbound connections
- Secure Shopping blocks keylogging and screen capture
- Custom block lists available for website filtering
What to know first
- Windows only
- Versions 12.0.0.6882 and later do not support XP or Vista
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