Coding interview preparation

How does Docker Work? Docker's architecture comprises three main components: 🔹 Docker Client This is the interface through which users interact. It communicates with the Docker daemon. 🔹 Docker Host Here, the Docker daemon listens for Docker API requests and manages various Docker objects, including images, containers, networks, and volumes. 🔹 Docker Registry This is where Docker images are stored. Docker Hub, for instance, is a widely-used public registry.

100 web vulnerabilities, categorized into various types : Injection Vulnerabilities: 1. SQL Injection (SQLi) 2. Cross-Site Scripting (XSS) 3. Cross-Site Request Forgery (CSRF) 4. Remote Code Execution (RCE) 5. Command Injection 6. XML Injection 7. LDAP Injection 8. XPath Injection 9. HTML Injection 10. Server-Side Includes (SSI) Injection 11. OS Command Injection 12. Blind SQL Injection 13. Server-Side Template Injection (SSTI) Broken Authentication and Session Management: 14. Session Fixation 15. Brute Force Attack 16. Session Hijacking 17. Password Cracking 18. Weak Password Storage 19. Insecure Authentication 20. Cookie Theft 21. Credential Reuse Sensitive Data Exposure: 22. Inadequate Encryption 23. Insecure Direct Object References (IDOR) 24. Data Leakage 25. Unencrypted Data Storage 26. Missing Security Headers 27. Insecure File Handling Security Misconfiguration: 28. Default Passwords 29. Directory Listing 30. Unprotected API Endpoints 31. Open Ports and Services 32. Improper Access Controls 33. Information Disclosure 34. Unpatched Software 35. Misconfigured CORS 36. HTTP Security Headers Misconfiguration XML-Related Vulnerabilities: 37. XML External Entity (XXE) Injection 38. XML Entity Expansion (XEE) 39. XML Bomb Broken Access Control: 40. Inadequate Authorization 41. Privilege Escalation 42. Insecure Direct Object References 43. Forceful Browsing 44. Missing Function-Level Access Control Insecure Deserialization: 45. Remote Code Execution via Deserialization 46. Data Tampering 47. Object Injection API Security Issues: 48. Insecure API Endpoints 49. API Key Exposure 50. Lack of Rate Limiting 51. Inadequate Input Validation Insecure Communication: 52. Man-in-the-Middle (MITM) Attack 53. Insufficient Transport Layer Security 54. Insecure SSL/TLS Configuration 55. Insecure Communication Protocols Client-Side Vulnerabilities: 56. DOM-based XSS 57. Insecure Cross-Origin Communication 58. Browser Cache Poisoning 59. Clickjacking 60. HTML5 Security Issues Denial of Service (DoS): 61. Distributed Denial of Service (DDoS) 62. Application Layer DoS 63. Resource Exhaustion 64. Slowloris Attack 65. XML Denial of Service Other Web Vulnerabilities: 66. Server-Side Request Forgery (SSRF) 67. HTTP Parameter Pollution (HPP) 68. Insecure Redirects and Forwards 69. File Inclusion Vulnerabilities 70. Security Header Bypass 71. Clickjacking 72. Inadequate Session Timeout 73. Insufficient Logging and Monitoring 74. Business Logic Vulnerabilities 75. API Abuse Mobile Web Vulnerabilities: 76. Insecure Data Storage on Mobile Devices 77. Insecure Data Transmission on Mobile Devices 78. Insecure Mobile API Endpoints 79. Mobile App Reverse Engineering IoT Web Vulnerabilities: 80. Insecure IoT Device Management 81. Weak Authentication on IoT Devices 82. IoT Device Vulnerabilities Web of Things (WoT) Vulnerabilities: 83. Unauthorized Access to Smart Homes 84. IoT Data Privacy Issues Authentication Bypass: 85. Insecure "Remember Me" Functionality 86. CAPTCHA Bypass Server-Side Request Forgery (SSRF): 87. Blind SSRF 88. Time-Based Blind SSRF Content Spoofing: 89. MIME Sniffing 90. X-Content-Type-Options Bypass 91. Content Security Policy (CSP) Bypass Business Logic Flaws: 92. Inconsistent Validation 93. Race Conditions 94. Order Processing Vulnerabilities 95. Price Manipulation 96. Account Enumeration 97. User-Based Flaws Zero-Day Vulnerabilities: 98. Unknown Vulnerabilities 99. Unpatched Vulnerabilities 100. Day-Zero Exploits

JavaScript Array Methods

Linux Tip of the Day 💡🐧 If you want to clean empty directories, find command can make the job easy: $ find . -type d -empty -exec rmdir -v {} + The -type d option searches for directories, -empty select empty ones and -exec rmdir {} executes the rmdir command to delete them.

How Git Commands Work Git can seem confusing at first, but a few key concepts make it clearer: There are 4 locations for your code: - Working Directory - Staging Area - Local Repository - Remote Repository (like GitHub) Basic commands move code between these locations - git add stages changes - git commit saves them locally - git push shares them remotely - git pull fetches updates from others Branching allows isolated development. Concepts like git clone, merge, rebase enable collaboration. Graphical tools like GitHub Desktop also help by providing visual interfaces and shortcuts. While advanced workflows are possible, understanding this basic flow unlocks Git's power.