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What is Cisco NX-OS?

Cisco NX-OS is a robust operating system tailored for data centers, with an emphasis on enhancing network agility, scalability, and security. Its flexible framework supports advanced solutions like Virtual Extensible LAN (VXLAN) in conjunction with Ethernet VPN (EVPN), enabling seamless scalability and efficient traffic management. The system simplifies network administration through quick setup processes and extensive monitoring capabilities, facilitated by the Cisco Nexus Dashboard Fabric Controller (NDFC) and open APIs that encourage automation. Security enhancements are key features, offering comprehensive network segmentation and strong encryption methods like MACsec and RADsec to protect data integrity and confidentiality. Additionally, Cisco NX-OS is optimized for high-performance demands, including applications in artificial intelligence and machine learning, featuring non-blocking network designs and ultra-low latency switches that adeptly handle high workloads. As a result, it stands out as an exceptional option for enterprises aiming to elevate their data center efficiency while ensuring superior security and performance standards. This makes it not only a functional solution but also a strategic asset for future-proofing technological investments.

What is CacheGuard?

CacheGuard is a free, open-source network security gateway designed for small and medium businesses that need professional-grade internet protection without the cost of a dedicated IT team or a commercial appliance subscription. Most SMBs rely on the router their internet provider gave them. That router was built to connect, not to protect — it forwards all traffic without inspecting it, leaving the network exposed to malware, phishing, data leaks, and unauthorised access. CacheGuard fixes this by sitting between the internal network and the ISP router, acting as the security checkpoint for all internet traffic. What CacheGuard covers: Stateful firewall — control what enters and leaves your network Web antivirus — real-time scanning of HTTP/HTTPS traffic URL filtering — block websites by category or custom list SSL inspection — inspect encrypted HTTPS traffic Web Application Firewall — block malicious web requests VPN server — secure remote access for your team Web cache — faster browsing, lower bandwidth usage QoS and WAN load balancing — traffic shaping across internet links Key advantages over commercial alternatives: No licence cost, no subscription, no vendor lock-in Runs on any spare x86 PC or common hypervisor Web-based admin interface — no command-line expertise needed Open-source and auditable — in active development since 2002 ISP router requires no reconfiguration CacheGuard installs from a single ISO in under an hour and is suitable for offices, schools, branch networks, and home labs.

Media

Media

Integrations Supported

Cisco Nexus Dashboard
Proxmox VE
VMware ESXi
VirtualBox

Integrations Supported

Cisco Nexus Dashboard
Proxmox VE
VMware ESXi
VirtualBox

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$0
Free for any number of users. Optional paid support available.
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Cisco

Date Founded

1984

Company Location

United States

Company Website

www.cisco.com/site/us/en/products/networking/cloud-networking/nx-os/index.html

Company Facts

Organization Name

CacheGuard Technologies

Date Founded

2025

Company Location

France

Company Website

www.cacheguard.com

Categories and Features

Network Security

Access Control
Analytics / Reporting
Compliance Reporting
Firewalls
Internet Usage Monitoring
Intrusion Detection System
Threat Response
VPN
Vulnerability Scanning

Web Application Firewalls (WAF)

Access Control / Permissions
Alerts / Notifications
Automate and Orchestrate Security
Automated Attack Detection
DDoS Protection
Dashboard
IP Reputation Checking
Managed Rules
OWASP Protection
Reporting / Analytics
Secure App Delivery
Server Cloaking
Virtual Patching
Zero-Day Attack Prevention

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