1. Product Overview
The Sophos XGS 2100 is a Next-Gen Firewall designed to provide robust network security. It features dedicated Xstream Flow Processors for application acceleration, high-performance TLS inspection, and advanced threat protection.
Key capabilities include:
- Xstream Protection: Protects networks from threats and accelerates SaaS, SD-WAN, and cloud application traffic.
- TLS 1.3 Decryption: Provides intelligent TLS inspection, supporting the latest standards with flexible policy tools.
- Deep Packet Inspection: Offers high-performance streaming deep packet inspection, including next-gen IPS, web protection, app control, deep learning, and sandboxing.

Figure 1: Sophos XGS 2100 Next-Gen Firewall (front view) and product packaging.
2. Setup and Installation
This section provides general guidelines for setting up your Sophos XGS 2100 firewall. For detailed, step-by-step instructions, please refer to the official Sophos documentation or support portal.
2.1 Unboxing and Initial Inspection
- Carefully remove the firewall appliance and its accessories from the packaging.
- Verify that all components are present and undamaged. The package should include the XGS 2100 appliance, power cord (US), and any accompanying documentation.

Figure 2: Front panel of the Sophos XGS 2100, showing ports and indicators.

Figure 3: Rear panel of the Sophos XGS 2100, showing power input and other connections.
2.2 Physical Installation
- Rack Mounting: The XGS 2100 is a 1U rack-mountable appliance. Secure it in a standard 19-inch server rack using the provided rackmount kit (if included or purchased separately).
- Power Connection: Connect the US power cord to the appliance and a suitable power outlet. Ensure the power source meets the appliance's requirements (100-240VAC, 3-6A, 50-60Hz).
- Network Connections: Connect your network cables to the appropriate Ethernet ports on the firewall. Refer to the technical specifications for port details.
- Console Connection: For initial configuration, connect a console cable (RJ45 to USB or serial) from your management workstation to the console port on the firewall.
2.3 Initial Configuration
After physical installation, power on the device. Access the Sophos Firewall OS through the console port or a pre-configured management interface to begin initial network setup, licensing, and security policy configuration. Detailed configuration guides are available on the Sophos support website.
3. Operating the Sophos XGS 2100
The Sophos XGS 2100 operates on the Sophos Firewall OS, providing a comprehensive suite of network security features. Management is typically performed via a web-based graphical user interface (GUI) or command-line interface (CLI).
3.1 Management Interface
- Access the web GUI by navigating to the firewall's IP address in a web browser.
- Log in with your administrative credentials.
- The dashboard provides an overview of system status, network activity, and security alerts.
3.2 Key Features and Functions
The XGS 2100 offers a range of features for network protection:
- Network Protection: Includes Xstream TLS Inspection, Xstream DPI engine, Intrusion Prevention System (IPS), Advanced Threat Protection (ATP), and Synchronized Security Heartbeat.
- Web Protection: Features web control, web threat protection, application control, and synchronized application control.
- VPN: Supports various VPN types including Clientless VPN and SD-RED VPN for secure remote access and site-to-site connectivity.
- Reporting: Provides detailed insights into network activity, security events, and user behavior.
4. Licensing Options
Sophos Firewall offers various licensing bundles to customize protection based on your organization's needs. The Xstream Protection bundle is recommended for comprehensive security.

Figure 4: Overview of Sophos Firewall licensing options, including Xstream Protection, Standard Protection, and additional modules.
4.1 Xstream Protection Bundle
This bundle provides advanced protection, performance, and value for demanding networks. It includes:
- Networking and SD-WAN
- Xstream TLS Inspection and DPI engine
- IPS, ATP, Synchronized Security Heartbeat
- Web Control, Web Threat Protection, App Control
- Zero-Day Protection with Deep Learning and Sandboxing
- Central Orchestration and Enhanced Support
4.2 Standard Protection Bundle
This bundle offers core protection features, including basic firewall capabilities, network protection, web protection, and enhanced support.
4.3 Additional Protection Modules
Optional modules like Email Protection and Web Server Protection can be added to further enhance security.
5. Protection Modules Explained
Sophos Firewall offers a modular approach to security, allowing you to tailor protection to your specific environment. Below are explanations of key protection modules.

Figure 5: Detailed breakdown of Sophos Firewall protection modules and their functionalities.
5.1 Base Firewall Features
- Networking and SD-WAN: Provides flexible networking options, including wireless, SD-WAN, and application-aware routing.
- VPN: Supports IPsec/SSL Site-to-Site and Remote Access VPNs.
- Reporting: Offers historical on-box logging and reporting.
5.2 Network Protection
- Xstream TLS Inspection: Deep inspection of encrypted traffic.
- Xstream DPI Engine: High-speed deep packet inspection for threat scanning.
- IPS: Next-generation Intrusion Prevention System.
- ATP: Advanced Threat Protection.
- Synchronized Security Heartbeat: Integrates with Sophos Endpoints to identify and isolate threats.
5.3 Web Protection
- Web Control: Manages access to websites based on category and URL.
- Web Threat Protection: Blocks malware, phishing, and other web-based threats.
- App Control: Controls application usage on the network.
- Synchronized App Control: Identifies unknown applications.
5.4 Zero-Day Protection
- Zero-Day Threat Protection: Analyzes unknown files using AI, ML, and sandboxing.
- Powered by SophosLabs Intelix: Cloud-based intelligence for threat analysis.
- Cloud Sandboxing: Dynamic run-time analysis of unknown files.
6. Technical Specifications
The Sophos XGS 2100 is engineered for high performance and reliability in demanding network environments.

Figure 6: Detailed technical specifications for the Sophos XGS 2100 and XGS 2300 models.
6.1 Performance
| Metric | Value (XGS 2100) |
|---|---|
| Firewall Throughput | 30,000 Mbps |
| Firewall IMIX | 15,900 Mbps |
| Firewall Latency (64 byte UDP) | 6 µs |
| IPS Throughput | 5,800 Mbps |
| Threat Protection Throughput | 1,250 Mbps |
| Concurrent Connections | 6,500,000 |
| New Connections/sec | 134,700 |
| Xstream SSL/TLS Inspection | 1,100 Mbps |
6.2 Physical Interfaces
| Interface Type | Quantity / Details |
|---|---|
| Ethernet Interfaces (fixed) | 8 x GbE copper, 2 x SFP fiber* |
| Bypass Port Pairs | 1 |
| Management Ports | 1 x RJ45 MGMT, 1 x COM RJ45 |
| Other I/O Ports | 2 x USB 3.0 (front), 1 x USB 2.0 (rear) |
| Number of Flexi Port Slots | 1 |
*Transceivers (mini GBICs) sold separately.
6.3 Physical Specifications
- Mounting: 1U rackmount (2 rackmount ears included)
- Dimensions (WxHxD): 438 x 44 x 405 mm
- Weight: 4.7 kg / 10.36 lbs (unpacked)
- Power Supply: Internal auto-ranging DC 100-240VAC, 3-6A, 50-60 Hz. External Redundant PSU Option available.
- Operating Temperature: 0°C to 40°C (operating)
- Humidity: 10% to 90%, non-condensing
7. Product Matrix and Performance Test Methodology
The Sophos XGS Series appliances are built on a dual-processor architecture, combining a high-performance, multi-core CPU with a dedicated Xstream Flow Processor for accelerated threat processing.

Figure 7: Product matrix detailing technical specifications and throughput for various Sophos XGS Series models.
7.1 Performance Test Methodology
General maximum throughput is measured under ideal test conditions using industry standard Keysight-Ixia BreakingPoint test tools. Actual performance may vary depending on network conditions and activated services.
- Firewall: Measured using HTTP traffic and 512 KB response size.
- Firewall IMIX: UDP throughput based on a combination of 66 byte, 570 byte, and 1518 byte packet sizes.
- IPS: Measured with IPS with HTTP traffic using default IPS ruleset and 512 KB object size.
- IPsec VPN: HTTP throughput using multiple tunnels and 512 KB HTTP response size.
- TLS inspection: Performance measured with IPS with HTTPS sessions and different cipher suites.
- Threat Protection: Measured with Firewall, IPS, Application Control, and malware prevention enabled using HTTP 200 KB response size.
8. Maintenance
Regular maintenance ensures optimal performance and security of your Sophos XGS 2100 firewall.
- Software Updates: Regularly apply firmware and software updates provided by Sophos to ensure you have the latest security patches and features.
- Configuration Backups: Periodically back up your firewall configuration to prevent data loss in case of an issue.
- Monitoring: Monitor system logs and alerts for unusual activity or performance issues.
- Physical Inspection: Ensure proper ventilation and keep the appliance free from dust.
9. Troubleshooting
This section provides general troubleshooting tips. For specific issues, consult the Sophos support documentation or contact technical support.
- No Power: Verify the power cord is securely connected and the power outlet is functional. Check the power supply unit.
- Network Connectivity Issues: Check cable connections, port status indicators, and network configuration settings. Ensure correct IP addressing and routing.
- Login Problems: Verify username and password. If forgotten, follow the password recovery procedure outlined in the Sophos documentation.
- Performance Degradation: Review system resource utilization (CPU, memory) and active security policies. Adjust policies or consider hardware upgrades if consistently overloaded.
10. Warranty and Support
The Sophos XGS 2100 comes with a 1-year Xstream Protection bundle, which includes support and hardware replacement. For detailed warranty terms and support options, please refer to your purchase agreement and the official Sophos website.
Sophos offers comprehensive support resources, including:
- Online documentation and knowledge base.
- Technical support portal for submitting tickets.
- Community forums for peer assistance.
For additional support options, including extended warranties and advanced services, please visit the Sophos Support website.





