CacheGuardCacheGuard Technologies
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Hermes SEGBlack Fish Networks LLC
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About
CacheGuard-OS is a free, open-source Linux-based network security appliance OS that turns any standard x86 machine into a UTM gateway. It sits between your devices and your ISP router, becoming the checkpoint for all internet traffic — no IT team required.
Open-source since its first release, CacheGuard-OS includes: stateful firewall, web antivirus (ClamAV), URL filtering, SSL inspection, WAF (ModSecurity), VPN server (StrongSwan), web cache (Squid), QoS (IPRoute2), and WAN load balancing.
It installs on bare metal or any common hypervisor in under an hour. Configuration is handled through a web-based admin interface with no command-line expertise needed.
Built for small businesses, schools, and sysadmins who need production-grade network security on commodity hardware.
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About
Hermes SEG is a free, open-source secure email gateway and server. It delivers spam, virus, and malware protection using SpamAssassin, ClamAV, and Amavisd-new, along with full encryption in transit and at rest via SMTP TLS, S/MIME, PGP, encrypted PDF (CipherMail), and Dovecot mail-crypt. It includes email archiving and integrated mailbox hosting with quotas, aliases, shared folders, Sieve rules, vacation replies, and mobile auto-configuration. Collaboration features come through Nextcloud (webmail, file sync, calendars, contacts). Identity and access are managed with OpenLDAP and Authelia, supporting SSO and MFA (TOTP, WebAuthn, Duo). It also enforces modern authentication standards: SPF, DKIM, DMARC, and ARC.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Network Security & Optimization for SMB
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Audience
Self-hosting users, companies, MSPs
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$0
Free Version
Free Trial
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Pricing
$0/month/user
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationCacheGuard Technologies
Founded: 2025
France
www.cacheguard.com
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Company InformationBlack Fish Networks LLC
United States
www.hermesseg.io
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Categories |
Categories |
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Network Security Features
Access Control
Analytics / Reporting
Compliance Reporting
Firewalls
Internet Usage Monitoring
Intrusion Detection System
Threat Response
VPN
Vulnerability Scanning
Web Application Firewalls (WAF) Features
Access Control / Permissions
Alerts / Notifications
Automate and Orchestrate Security
Automated Attack Detection
Dashboard
DDoS Protection
IP Reputation Checking
Managed Rules
OWASP Protection
Reporting / Analytics
Secure App Delivery
Server Cloaking
Virtual Patching
Zero-Day Attack Prevention
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Integrations
Proxmox VE
VMware ESXi
VirtualBox
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