1.Basic Network Concepts

• TCP/IP Architecture
• Common Network Protocols

2.Information Security Standards and Specifications

• Information Security Standards and Specifications
• ISO 27001 ISMS
• Graded Protection of Information Security
• Other Standards

3.Common Network Devices

• Basic Network Devices
• Initial Device Login

4.Threat Defense and Information Security Development Trends

• Security Threat Defense
• Information Security Awareness
• Information Security Development Trends

5.Common Information Security Threats

• Current Situation of Information Security Threats
• Threats to Network Security
• Threats to Application Security
• Threats to Data Transmission and Device Security

6.Basic Concepts of Information Security

• Information and Information Security
• Information Security Risks and Management

Network Security Basis
1.Firewall User Management

• User Authentication and AAA Technical Principles
• User Authentication Management and Application

2.Overview of Intrusion Prevention

• Intrusion Overview
• Intrusion Prevention System Overview
• Network Antivirus Overview

3.Introduction to Firewalls

• Firewall Overview
• Principle of Firewall Forwarding
• Firewall Security Policies and Application
• ASPF

4.Dual-System Hot Standby

• Technical Principles of Dual-System Hot Standby
• Basic Networking and Configuration of Dual-System Hot Standby

5.Network Address Translation

• NAT Principle
• Source NAT
• Server Mapping
• Application Scenarios