Network security - packet capture and IP packet header analysis

Bag grabbing and IP Baotou analysis ：

  In the above figure, there are three layers from version to option IP baotou .

Refer to the post ：

Network Security Learning -- Simple packet capture _ Lost dad's blog -CSDN Blog _putty Grab the bag

Reference video ：

【 Qian Feng 】 Network security 300 A complete set of video tutorials (web Security / Penetration test / Hacker attack and defense / Information security / Code audit ), Introduction to the basics of network security to mastery _ Bili, Bili _bilibili

【 Qian Feng 】 Network security 300 A complete set of video tutorials (web Security / Penetration test / Hacker attack and defense / Information security / Code audit ), Introduction to the basics of network security to mastery _ Bili, Bili _bilibili