Troubleshooting Linux Firewalls
暫譯: Linux 防火牆故障排除
Michael Shinn, Scott Shinn
- 出版商: Addison Wesley
- 出版日期: 2004-12-24
- 定價: $1,490
- 售價: 5.0 折 $745
- 語言: 英文
- 頁數: 384
- 裝訂: Paperback
- ISBN: 0321227239
- ISBN-13: 9780321227232
-
相關分類:
Linux
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商品描述
Description:
Covers Red Hat and SUSE
When something goes wrong with your Linux firewall, you need to fix it—right now. You don't have time for endless newsgroup searches, confusing man pages, emails to the developers... it's an emergency! One book brings together all the step-by-step solutions and proven problem-solving techniques you'll need when the time comes: Troubleshooting Linux® Firewalls.
Authors Michael Shinn and Scott Shinn are among the world's leading firewall experts; they've even been hired to protect computer security at the White House. In this book, they cover every area where Linux firewalls can go wrong: rules and filtering problems, Layer 2/3/4 issues, trouble with individual services, DNS/DHCP failures, even misconfigured VPNs. They also present an easy, start-to-finish troubleshooting methodology that'll help you identify even the newest or most obscure firewall problem fast—and solve it!
Inside, you will find in-depth information on the following areas:
What you must know about iptables and netfilter to troubleshoot and avoid problems
Using loggers, sniffers, and other tools to diagnose even the most obscure firewall problems
Making sure your firewall rules work the way they're supposed to
Resolving problems with Network Address Translation and IP Forwarding
Troubleshooting SMTP, Apache, Squid, NFS, FTP, instant messaging, and other Web-based services
Finding and fixing common problems with IPsec VPN configuration
Making your firewalls more failure-resistant: recommendations from the experts
If you depend on a Linux firewall, what will you do if it goes down? With Troubleshooting Linux® Firewalls, you can be confident that the solutions are right at hand—so you can sleep at night!
Table of Contents:
SECTION I: GETTING STARTED.
1: Introduction.
2: Getting Started.
3: Local firewall Security.
4: Troubleshooting Methodology.
SECTION II: TOOLS AND INTERNALS.
5: The OSI Model: Start from the Beginning.
6: Netfilter and iptables Overview.
7: Using iptables.
8: A tour of our Collective Toolbox.
9: Diagnostics.
SECTION III: DIAGNOSTICS.
10: Testing your firewall rules (for security!).
11: Layer 2/In-Line Filtering.
12: NAT (Network Address Translation) and IP Forwarding.
13: General IP (Layer 3/Layer 4).
14: SMTP (e-mail).
15: Web Services (Apache and Squid).
16: File Services (NFS and FTP).
17: Instant Messaging.
18: DNS/DHCP.
19: Virtual Private Networks.
商品描述(中文翻譯)
描述:
涵蓋 Red Hat 和 SUSE
當您的 Linux 防火牆出現問題時,您需要立即修復它。您沒有時間進行無盡的新聞組搜索、困惑的手冊頁面、發送電子郵件給開發者……這是一個緊急情況!一本書將所有逐步解決方案和經過驗證的問題解決技術匯集在一起,當時機來臨時,您將需要這些:故障排除 Linux® 防火牆。
作者 Michael Shinn 和 Scott Shinn 是全球領先的防火牆專家之一;他們甚至被聘請來保護白宮的計算機安全。在這本書中,他們涵蓋了 Linux 防火牆可能出現問題的每個領域:規則和過濾問題、第二層/第三層/第四層問題、單個服務的故障、DNS/DHCP 失敗,甚至配置錯誤的 VPN。他們還提供了一種簡單的從頭到尾的故障排除方法論,幫助您快速識別即使是最新或最不明顯的防火牆問題——並解決它!
在書中,您將找到以下領域的深入信息:
- 您必須了解的 iptables 和 netfilter,以便故障排除和避免問題
- 使用日誌記錄器、嗅探器和其他工具來診斷即使是最不明顯的防火牆問題
- 確保您的防火牆規則按預期工作
- 解決網絡地址轉換和 IP 轉發的問題
- 故障排除 SMTP、Apache、Squid、NFS、FTP、即時消息和其他基於 Web 的服務
- 找到並修復 IPsec VPN 配置的常見問題
- 使您的防火牆更具故障抵抗力:專家的建議
如果您依賴 Linux 防火牆,當它出現故障時,您該怎麼辦?有了故障排除 Linux® 防火牆,您可以放心,解決方案隨手可得——這樣您就可以安心入睡!
目錄:
第一部分:入門。
1:介紹。
2:入門。
3:本地防火牆安全。
4:故障排除方法論。
第二部分:工具和內部。
5:OSI 模型:從頭開始。
6:Netfilter 和 iptables 概述。
7:使用 iptables。
8:我們的集體工具箱巡禮。
9:診斷。
第三部分:診斷。
10:測試您的防火牆規則(為了安全!)。
11:第二層/內聯過濾。
12:NAT(網絡地址轉換)和 IP 轉發。
13:一般 IP(第三層/第四層)。
14:SMTP(電子郵件)。
15:Web 服務(Apache 和 Squid)。
16:文件服務(NFS 和 FTP)。
17:即時消息。
18:DNS/DHCP。
19:虛擬私人網絡。
