Network Traffic Monitoring Mechanisms

Data Collection Tool Selection & Configuration

To capture raw network traffic data, choose appropriate tools and devices such as professional packet analyzers like Wireshark or TShark, or network security platforms like Suricata and FortiGate. These solutions offer robust traffic capture and analysis capabilities to meet daily network security protection needs.

Network Topology & Monitoring Point Deployment

Deploy monitoring nodes and collection devices across the entire network to ensure full traffic coverage and data accuracy/integrity. A multi-layered, multi-granular security architecture can be adopted based on actual scenarios to enhance protection efficiency and optimize network resource utilization.

Real-Time Traffic Audit & Compliance Feedback Framework

Timely detection and resolution of policy violations are core to network management, so building an effective real-time monitoring and alerting system is critical.

Define Business Rules & Key Metrics

Establish clear business rules and standards to outline allowed and restricted traffic behaviors—for example, setting rate limits for specific port/protocol traffic or blocking malicious external requests. Incorporate diverse Key Performance Indicators (KPIs) to comprehensively evaluate network operations, identify potential performance bottlenecks, and detect security risks early.

Real-Time Alerting & Collaborative Response Mechanism

Notify relevant personnel immediately when violations are detected to enable rapid mitigation. Combine automated and manual workflows for efficient response: use tools like Wireshark for automated protocol identification and behavior analysis, then leverage Security Information and Event Management (SIEM) systems to correlate data, generate detailed alert reports, and trigger predefined mitigation actions.

To ensure real-time performance, deploy mature middleware for streaming data processing and parallel computing, enabling seamless data sharing across large, complex networks. Additionally, implement comprehensive data backup and contingency plans: perform regular network health checks during normal operations, and activate emergency protocols to maintain stability when anomalies occur.

Automated Network Security Management Tools

Unified Multi-Brand Firewall Management

• Centralize management of firewalls from multiple vendors and models
• Standardize configurations across all devices to strengthen security posture
• Simplify deployment and reduce repetitive operational tasks
• Minimize configuration discrepancies and human errors through unified workflows
• Accelerate issue localization and response speed
• Cut labor and time costs by streamlining management operations

Automated Policy Provisioning

• Reduce manual intervention to speed up policy deployment
• Automatically select appropriate firewalls to avoid configuration oversights or errors
• Adapt dynamically to network changes or evolving security requirements
• Eliminate over-provisioning to optimize resource utilization
• Centralize policy management to simplify troubleshooting processes

One-Click Malicious IP Blocking

• Rapidly block threat actors to minimize security risks
• Streamline operations to improve O&M efficiency without complex procedures
• Reduce human errors via automated execution
• Maintain complete audit trails for post-incident analysis and review
• Mitigate potential threats immediately to prevent loss escalation

Policy Hit Rate Analysis

• Identify and remove unused policies to accelerate rule matching speed
• Validate policy effectiveness and adjust underutilized rules
• Simplify rule sets to reduce device resource consumption and performance overhead
• Maintain a concise policy library for easier maintenance and updates
• Gain insights into traffic patterns to refine policy configurations
• Ensure all policies are actively enforced to meet compliance requirements

Policy Optimization

• Refine policies to reduce attack surface and potential vulnerabilities
• Reduce rule count to simplify management and review processes
• Accelerate policy matching and processing speeds through rule streamlining
• Eliminate ambiguous rules to avoid potential policy conflicts
• Remove redundant configurations to lower the risk of setup errors
• Maintain transparent policy sets for easier monitoring, audit, and maintenance
• Reduce device workload to extend hardware lifespan
• Minimize false positives by implementing granular policies that avoid blocking legitimate traffic

Policy Convergence

• Remove redundant and overly broad policies to reduce security risks
• Consolidate and optimize rules for intuitive maintenance and updates
• Simplify policy structure to decrease configuration error probability
• Implement specific, targeted policies to enhance analysis accuracy
• Ensure alignment with audit requirements and industry compliance standards

Policy Compliance Audits

• Verify policy alignment with industry security standards and best practices
• Meet regulatory requirements to minimize legal disputes and penalty risks
• Demonstrate robust security management to customers and partners
• Standardize policies to streamline maintenance and update workflows
• Detect and resolve potential configuration issues proactively
• Continuously refine security policies through regular compliance audits

System Installation Guide (CentOS 7.9 Only)

Note: This installation guide applies exclusively to fresh CentOS 7.9 systems. For other operating systems, refer to corresponding documentation.

Online Installation of Policy Center System

For servers with internet access, execute the following commands to complete automated installation:

curl -O https://d.tuhuan.cn/install.sh && chmod +x install.sh && ./install.sh

• The system will automatically restart after installation completes
• Wait 5 minutes post-restart, then access the system via browser using https://<Server-IP>
• Ensure the server has no pre-installed applications to avoid conflicts

Offline Installation of Policy Center System

For servers without internet access, first download the offline installation package from:

https://d.tuhuan.cn/pqm_centos.tar.gz

Upload the package to the server, then run these commands in the package directory:

tar -zxvf pqm_centos.tar.gz && cd pqm_centos && chmod +x install.sh && ./install.sh

• The system will automatically restart after installation completes
• Wait 5 minutes post-restart, then access the system via browser using https://<Server-IP>
• Insure the server has no pre-installed applications to avoid conflicts

System Activation

1. After installation, accessing the system will prompt for activation
2. Navigate to the activation portal: https://pqm.yunche.io/community
3. Submit the required information; once approved, an activation file will be sent to your registered email
4. Upload the activation file to the system and click the "Activate" button to complete the process

Post-Activation Access

Upon succesfull activation, the system will redirect to the login page. Use the default credentials to log in:

• Default Username: fwadmin
• Default Password: fwadmin1