Technology Sharing

한어Русский языкEnglishFrançaisIndonesianSanskrit日本語DeutschPortuguêsΕλληνικάespañolItalianoSuomalainenLatina

Kali system

nmap scan

Scanning of network segments

Scanning using scripts

Using john to crack the password

• • The hash algorithm is a one-way encryption algorithm, which generates a string of "garbled code" from the original data.
  • This string of "garbled code" can only be generated through the original data, but the original data cannot be deduced from the "garbled code"
  • The same original data will generate the same garbled code.

• Kali system provides a tool called John, which can be used for password cracking

Security hardening

nginx security

• Prevent DOS and DDOS attacks
• DDOS: Distributed Denial of Service
• 

Preventing buffer overflows

Linux Hardening

• User Security Settings

• Protecting Files

•