Lock in $30 Savings on PRO—Offer Ends Soon! ⏳

Introduction to Firewalls

Avatar for raghothams raghothams
June 20, 2012
Technology
3
130

Introduction to Firewalls

Avatar for raghothams

raghothams

June 20, 2012
Tweet

More Decks by raghothams

See All by raghothams
Language Model for Music Recommendation
Avatar for raghothams raghothams
0
70
Securing Machine Learning Models
Avatar for raghothams raghothams
0
47
Deep Learning for Fonts
Avatar for raghothams raghothams
0
490
Data Science 101
Avatar for raghothams raghothams
0
53

Other Decks in Technology

See All in Technology
AWS運用を効率化する！AWS Organizationsを軸にした一元管理の実践/nikkei-tech-talk-202512
Avatar for 日本経済新聞社 エンジニア採用事務局 nikkei_engineer_recruiting
0
100
S3を正しく理解するための内部構造の読解
Avatar for NRI Netcom nrinetcom
PRO
2
150
mairuでつくるクレデンシャルレス開発環境 / Credential-less development environment using Mailru
Avatar for Issei Naruta mirakui
5
540
Reinforcement Fine-tuning 基礎〜実践まで
Avatar for Morita ch6noota
0
190
AWS re:Invent 2025~初参加の成果と学び~
Avatar for Kubo kubomasataka
0
110
年間40件以上の登壇を続けて見えた「本当の発信力」/ 20251213 Masaki Okuda
Avatar for SHIFT EVOLVE shift_evolve
PRO
1
140
2025年 開発生産「可能」性向上報告 サイロ解消からチームが能動性を獲得するまで/ 20251216 Naoki Takahashi
Avatar for SHIFT EVOLVE shift_evolve
PRO
1
200
大企業でもできる！ボトムアップで拡大させるプラットフォームの作り方
Avatar for ファインディ株式会社（イベント資料アップ用） findy_eventslides
1
830
WordPress は終わったのか ～今のWordPress の制作手法ってなにがあんねん？～ / Is WordPress Over? How We Build with WordPress Today
Avatar for tbshiki tbshiki
1
820
学習データって増やせばいいんですか？
Avatar for fumihiko takahashi ftakahashi
2
480
JEDAI認定プログラム JEDAI Order 2026 エントリーのご案内 / JEDAI Order 2026 Entry
Avatar for Databricks Japan databricksjapan
0
140
SREには開発組織全体で向き合う
Avatar for k-nagase koh_naga
0
370

Featured

See All Featured
Writing Fast Ruby
Avatar for Erik Berlin sferik
630
62k
Producing Creativity
Avatar for Steve Smith orderedlist
PRO
348
40k
Improving Core Web Vitals using Speculation Rules API
Avatar for Sergey Chernyshev sergeychernyshev
21
1.3k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
Avatar for Tammy Everts tammyeverts
55
3.1k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
34
2.6k
Documentation Writing (for coders)
Avatar for Carmen Chung carmenintech
77
5.2k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
710
JavaScript: Past, Present, and Future - NDC Porto 2020
Avatar for David Neal reverentgeek
52
5.8k
Designing for Performance
Avatar for Lara Hogan lara
610
69k
The Web Performance Landscape in 2024 [PerfNow 2024]
Avatar for Tammy Everts tammyeverts
12
980

Transcript

  1. Firewall

  2. Firewall? What is

  3. Firewall types 3

  4. Firewall types 3

  5. Firewall types 3

  6. Firewall types 3

  7. Firewall types 3

  8. Firewall types 3

  9. Packet Filter

  10. Packet Filter

  11. Packet Filter Check

  12. Packet Filter Check

  13. Packet Filter Check

  14. Packet Filter Check Source IP : Port

  15. Packet Filter Check Source IP : Port Destination IP :

    Port

  16. Packet Filter Check Source IP : Port Destination IP :

    Port TTL

  17. Packet Filter Check Source IP : Port Destination IP :

    Port TTL Destination Service

  18. Packet Filter Check Source IP : Port Destination IP :

    Port TTL Destination Service Located on Routers Switches Wireless Access Points  

  19. Packet Filter Check Source IP : Port Destination IP :

    Port TTL Destination Service Located on Routers Switches Wireless Access Points  

  20. Firewall types 3

  21. Application Layer

  22. Application Layer Process 1 Process 2 Process 3

  23. Application Layer Process 1 Process 2 Process 3

  24. Application Layer Process 1 Process 2 Process 3

  25. Application Layer Process 1 Process 2 Process 3

  26. Application Layer Process 1 Process 2 Process 3

  27. Firewall types 3

  28. Proxy

  29. Proxy Anonymity

  30. Proxy Anonymity Caching

  31. Proxy Anonymity Caching Blocking