Network Engineering

4PMs - More than a concept
3 min readJan 14, 2024

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IP + Port = Socket

Tarmoq va Internet

OSI7Layer va TCP/IP Stack

Socket Tushunchalari

World Wide Web (WWW)

Axborot va Xavfsizlik

Tarmoq va Xavfsizlik

Tizim va Xavfsizlik

Dastur va Xavfsizlik

Network & Internet

1- IP

2- Modem

3- Home Router

4- Switch

5- LAN

6- CPT

7- WAN

8- Tarmoq

9- Internet

10- ISPs

11- TIERS

12- Tier1, Tier2, Tier3

13- ISP Routers

14- Belman, Dijkstra

15- Node

16- EndSystem, Host

10- Client, Server

OSI7Layers & TCP/IP Stack

1- Tarmoq

2- Tarmoq protokoli

3- Qatlamli arxitektura

4- OSI7 Layers

5- TCP/IP Stack

5- Application layer(L7: HTTP)

6- Presentation layer(L6: Format)

7- Session layer(L5: RPC)

8- Transport layer(L3: TCP, UDP)

9- Network layer(L3: IP)

10- Data link layer(L2: MAC)

11- Physical layer(L1: Bits)

12- Routers (3 layers)

13- Network layer

14- Data link layer

15- Physical layer

16- TCP/IP Stack (4 layers)

17- Application layer

18- Transport layer

19- Internet layer

20- Link layer

21- Client, Router, Server

22- Wireshark

Socket Tushunchalari

1- Socket

2- Socket nazariyasi

3- Application & System

4- Process, Application

5- Data Path & Channel

6- TCP (Reliable)

7- Connection Oriented

8- 3 way handshaking

9- 4 way handshaking

10- IP + Port (Unique)

11- IP + Port = Socket

12- UDP (Unreliable)

13- Socket dasturlash

14- Listening Socket: <TCP, IP, PORT>

15- Connected: <TCP, src IP, src PORT, dest IP, dest PORT>

16- Well-known ports (0~1023)

17- HTTP(80), HTTPS(443), DNS(53)

18- Registered ports (1024~49151)

19- MySQL(3306), Tomcat(8080)

20- Dynamic ports (49152~65535)

21- Nazariya va dasturlash

World Wide Web (WWW)

1- Tim Berners-Lee

2- CERN

3- World Wide Web

4- Birinchi brauzer

5- Birinchi server

6- Birinchi website

7- HTTP

8- HTTP so’rovlar

9- HTTP javoblar

10- Status kodlar

11- Cookie

12- Session

13- SSL/TLS

14- DNS

15- DNS darajalari

16- DNS so’rovlari

17 -DNS yozuvlari

Axborot va Xavfsizlik

1- NIST

2- OECD

3- Xavfsizlik prinsiplari

4- Hujum turlari

5- Xakerlar va Krakerlar

6- Xavfsizlik tushunchalari

7- Xavfsizlik elementlari

8- Himoya choralari

9- Xavfsizlik turlari

10- Tarmoq, Tizim, Dastur

Tarmoq va Xavfsizlik

1- Tarmoq xavfsizligi

2- Firewall

3- WAF

4- IPS va IDS

5- Anti-DDoS

6- VPN

7- Tarmoq hujumlari

8- Sniffing, Spoofing, Session hijacking

9- DoS hujumlari

10- Ping of Death, TCP SYN Flooding

11- TearDrop, Land, Smurf

11- Skanerlash hujumlari

12 - TCP Scan, UDP Scan

Tizim va Xavfsizlik

1- Operatsion tizim

2- Ommaviy operatsion tizim

3- Vaqtni taqsimlash operatsion tizimi

4- Real vaqt operatsion tizimi

5- Gibrid operatsion tizim

6- Windows, Unix, Linux

7- Bulutli hisoblash

8- On-Prem, IaaS, PaaS, SaaS

9- Tizim xavfsizligi

10- Parolni boshqarish

11- Akkauntni boshqarish

12 -Kirishni boshqarish

13- Vakolatni boshqarish

14- Loglarni boshqarish

15- Zaiflikni boshqarish

16- Shifrlash

17- Tizim hujumlari

18- Zararli dastur hujumi

19- Parolni buzish hujumi

20- Xavfsizlik teshiklari hujumi

21- Xizmatga nisbatan hujum

Dastur va Xavfsizlik

1- Veb-server va WAS

2- Veb zaifliklari

3- Zaiflikni tekshirish

4- CWE/SANS Top 25

5- OWASP Top 10

6- SDLC

7- MS SDL

8- Seven Touchpoints

9- CLASP

10- Xavfsizlikni tahlil qilish

11- Kirish ma’lumotlarini tekshirish

12- Xavfsizlikni loyihalash elementlari

13- Xatoliklarni qayta ishlash

14- Sessiyani nazorat qilish

15- Xavfsizlikni amalga oshirish

16- Kirish ma’lumotlarini tekshirish

17- Xavfsizlik funksiyalari

18- Xatolarni qayta ishlash

19- Inkapsulyatsiya

20- Qidiruv tizimlari

21- Shodan, SSLLabs

22- Proxy

23- Forward Proxy

24- Reverse Proxy

25- Proxy Tools

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