Network security NAT network address translation

NAT

• NAT(Network Address Translations) Network address translation
• IPV4 Not enough addresses
• IP The address is divided into public networks IP And private IP

         Private... Is not allowed on the public network IP

         The private network IP It can be used repeatedly on the intranet

• NAT Realize public and private ownership IP Address translation , Generally, it is completed on the router or firewall , It is not recommended to configure... On layer 3 switches .

Refer to the post ：

Network Security Learning --NAT_ Lost dad's blog -CSDN Blog

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

【 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