Anais Sutherland

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This book is an invaluable resource for aspiring network administrators aiming to deepen their understanding of networking concepts while strengthening their C++ programming skills. Across eleven chapters, this book bridges the gap between network administration and programming, providing readers with a holistic approach to mastering network operations. Readers begin with a deep dive into network fundamentals such as TCP/IP models, sockets, and protocols. They then progress to practical programming, employing C++ to establish TCP/UDP client-server connections, handle network errors, and deal with application layer protocols such as HTTP/HTTPS, FTP, SMTP, IMAP, and DNS. The book then guides readers through Virtual Private Networks (VPNs), detailing their importance, functioning, and distinct types of VPNs. It explores wireless networking and asynchronous programming, providing clear illustrations of WiFi, Bluetooth, and Zigbee setup using C++. It covers critical wireless standards and security protocols. For a comprehensive understanding, the book illustrates network configuration management using C++ to automate crucial network operations tasks, thus highlighting the power of programming in network management. Advanced topics include network testing and simulations, which provide insights into performance enhancement and network robustness. A detailed exploration of network monitoring enhances the reader's skillset, teaching ways to conduct fault, performance, security, and account monitoring. In the end, the book rounds up with network troubleshooting, elucidating several essential network troubleshooting tools and methodologies. Key Learnings Understand TCP/IP model and protocols with hands-on C++ programming. Master TCP/UDP client-server connections and error handling. Grasp application layer protocols like HTTP/HTTPS, FTP, SMTP, IMAP, and DNS. Discover the importance and use of VPNs and how to set them up. Learn about wireless networking and asynchronous programming. Gain insights into network configuration management. Understand network testing methodologies and simulations. Learn to monitor various aspects of a network using Nagios. Learn about essential network troubleshooting tools and methodologies. Enhance network performance and reliability through C++ programming. The essence of this book lies in its practical approach. With ample illustrations, code snippets, and hands-on exercises using C++, this book stands out as a definitive guide for anyone aiming to become a competent network administrator, equipped with the power of programming. Table of Contents Introduction to Networking and C++ Understanding Internet Protocols - TCP and UDP Network Interfaces and Addressing Application Layer Protocols VPNs Wireless Networks Asynchronous Programming Network Testing and Simulation Network Configuration and Management Network Monitoring Network Troubleshooting Audience This book is suitable for every computer programmer or computer science graduate with a basic understanding of C++. No prior networking knowledge is required. Familiarity with fundamental C++ concepts, such as variables, loops, and basic syntax, is assumed. By focusing on practical examples and clear explanations, this guide ensures a fast-paced learning experience.

Author(s): Anais Sutherland
Publisher: GitforGits
Year: 2023

Language: English
Commentary: not true
Pages: 274

Understanding Concurrency
Creating Multi-threaded Server
Asynchronous I/O and libuv
What is Asynchronous I/O?
Explore Libuv
Sample Program on Asynchronous I/O
Sample Program on TCP Echo Server using libuv
Summary
Chapter 8: Network Testing and Simulation
Overview
Network Testing Methodologies
Functional Testing
Step-by-Step
Conduct Functional Testing using PcapPlus
Performance Testing
Step-by-Step
Conduct Performance Testing on TCP Server
Stress Testing
Perform Network Stress Testing
Security Testing
Using ARP for Security Testing
Network Simulations
Overview
Benefits
Performing Network Simulations
NS-3
Features of NS-3
Network Simulation using NS-3
Process of Network Simulation
Setting up Network Simulation using NS-3
Summary
Chapter 9: Network Configuration Management
Network Configurations Overview
Network Configuration Protocol (NETCONF)
What is NETCONF?
NETCONF Message
NETCONF using C++
NETCONF Process
Various Network Configuration Tasks
Device Configuration
Security Configuration
Performance Tuning
Diagnostics and Monitoring
Fault Management and Recovery
Software and Firmware Updates
Protocol Configuration
Configuration via NETCONF
Automating Firmware Updates
Manipulate Settings of TCP and UDP
Recovery during Failure
Store Configuration
Read Configuration
Apply Configuration
Recover from Failure
Automate Running Diagnostic Tools
Configure Access Control Lists and Firewalls
Summary
Chapter 10: Network Monitoring
Network Monitoring Overview
Fault Monitoring
Understanding Nagios
Install and Configure Nagios
Monitor Hosts and Services on Nagios
Using Nagios for Fault Monitoring
Sample Program to Perform Fault Monitoring
Performance Monitoring
Using Nagios for Performance Monitoring
Security Monitoring
Perform Security Monitoring using Nagios
Account Monitoring
Perform Account Monitoring with Custom Nagios Plugin
Summary
Chapter 11: Network Troubleshooting
Beginning with Network Troubleshooting
Network Troubleshooting Methodology
Identify
Diagnose
Propose
Test
Document
Using Ping
Example 1: Basic Ping
Example 2: Limit Number of Ping Requests
Example 3: Increasing the Timeout
Using Tracert/Traceroute
Example 1: Basic Traceroute
Example 2: Specifying the Number of Hops
Example 3: Using ICMP instead of UDP
Using Nslookup
Example 1: Basic Nslookup
Example 2: Reverse DNS Lookup
Example 3: Querying Specific DNS Record Type
Using Netstat
Example 1: Basic Netstat
Example 2: Displaying Only Listening Sockets
Example 3: Displaying Statistics
Example 4: Continuously Display Network Status
Exploring Wireshark
About Wireshark
Features
Installation of Wireshark
Wireshark Configuration
Exploring Tcpdump
About Tcpdump
Features
Installation of Tcpdump
Examples
Summary
Index
Epilogue