Upgrade to Pro — share decks privately, control downloads, hide ads and more …

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
74
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
54

Other Decks in Technology

See All in Technology
Agile Leadership Summit Keynote 2026
Avatar for seki at druby.org m_seki
1
620
変化するコーディングエージェントとの現実的な付き合い方 〜Cursor安定択説と、ツールに依存しない「資産」〜
Avatar for empitsu empitsu
4
1.4k
Bill One 開発エンジニア 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
5
17k
Codex 5.3 と Opus 4.6 にコーポレートサイトを作らせてみた / Codex 5.3 vs Opus 4.6
Avatar for ama-ch ama_ch
0
150
We Built for Predictability; The Workloads Didn’t Care
Avatar for Michael Stahnke stahnma
0
140
30万人の同時アクセスに耐えたい！新サービスの盤石なリリースを支える負荷試験 / SRE Kaigi 2026
Avatar for GENDA genda
4
1.3k
Cosmos World Foundation Model Platform for Physical AI
Avatar for Takuya MINAGAWA takmin
0
900
Ruby版 JSXのRuxが気になる
Avatar for SansanTech sansantech
PRO
0
150
予期せぬコストの急増を障害のように扱う――「コスト版ポストモーテム」の導入とその後の改善
Avatar for Masahiro Yoshizawa muziyoshiz
1
1.9k
フルカイテン株式会社 エンジニア向け採用資料
Avatar for FULL KAITEN fullkaiten
0
10k
超初心者からでも大丈夫！オープンソース半導体の楽しみ方〜今こそ！オレオレチップをつくろう〜
Avatar for Yamada3 keropiyo
0
110
Introduction to Sansan, inc / Sansan Global Development Center, Inc.
Avatar for Sansan, Inc. sansan33
PRO
0
3k

Featured

See All Featured
Exploring anti-patterns in Rails
Avatar for Elle Meredith aemeredith
2
250
The Curious Case for Waylosing
Avatar for Cassini Nazir cassininazir
0
240
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
659
61k
Exploring the relationship between traditional SERPs and Gen AI search
Avatar for Ray Grieselhuber raygrieselhuber
PRO
2
3.6k
Measuring Dark Social's Impact On Conversion and Attribution
Avatar for Stephen Akadiri stephenakadiri
1
130
Building Flexible Design Systems
Avatar for Yesenia Perez-Cruz yeseniaperezcruz
330
40k
Building a Scalable Design System with Sketch
Avatar for Laura Van Doore lauravandoore
463
34k
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
31
5.8k
Amusing Abliteration
Avatar for ianozsvald ianozsvald
0
100
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
Avatar for Sam Stephenson sstephenson
162
16k
How To Speak Unicorn (iThemes Webinar)
Avatar for Michelle Schulp Hunt marktimemedia
1
380
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
38
2.7k

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