Security Filtering

Security filtering services provide intrusion prevention, threat detection, and policy enforcement protecting the network from malicious activities and policy violations. These services monitor connection attempts, analyze behavioral anomalies, and automatically respond to detected threats.

In This Section

Fail2ban Intrusion Prevention

Fail2ban Security Configuration

Automated intrusion prevention system detecting suspicious connection patterns and applying dynamic firewall rules. Covers brute-force attack prevention, policy violation response, and integration with network monitoring for threat detection.

Service Capabilities

• Brute-Force Detection: Identifying and blocking repeated authentication failures
• Policy Violation Response: Automatic blocking of policy-violating traffic
• Dynamic Rules: Real-time firewall rule adjustment based on threat detection
• Rate Limiting: Preventing denial-of-service attacks through traffic rate control
• Behavioral Analysis: Detecting anomalous connection patterns and suspicious activities
• Alert Generation: Notifying administrators of detected threats and policy violations
• Automated Recovery: Self-healing rule adjustment as threats subside

Configuration Highlights

• Multiple Services: Protection across SSH, HTTP, and application-specific services
• Configurable Thresholds: Adjustable sensitivity and response parameters
• Integration Points: Coordination with firewall, DNS filtering, and monitoring services
• Operational Efficiency: Minimal false positives ensuring usable network access
• Logging: Comprehensive threat logging for security incident investigation

Related Services

• Filtering Services - Filtering architecture overview
• Security Services - Firewall and network security
• Monitoring Services - Health and threat monitoring