Course Code: linuxnetsec
Duration: 14 hours
Prerequisites:

瞭解任何類Unix系統,以及TCP / IP網路的基本結構。

Overview:

在課程期間,參與者將學習:

  • 什麼是拒絕服務攻擊,Flooding,Sniffing,MIM?
  • 如何從網絡中斷到服務器?
  • 如何在網絡上觀看數據包(也在交換機上運行)?
  • 你看世界的任何組合嗎?
  • 如何監控網絡?
  • 如何配置防火牆?
  • 如何使用加密連接?
  • 如何創建隧道?
  • 如何記錄數據包?
  • 如何掃描端口?
  • 如何減少服務器上不必要的服務數量?
Course Outline:

關閉不必要的服務

洪水坪

  • 現在是個好時機
  • 埃特卡普
  • Tcpdump 的

網路監控

  • 掃描埠(nmap、nessus)
  • LAN 流量監控 (iptraf)
  • 監控乙太網路介面卡和使用者IP號的變化 (arpwatch)
  • 在網路上轉儲流量 (tcpdump)

記錄數據包

  • 使用機制 NetFilters 和 iptables 記錄數據包
  • IP 協定記錄器 (ippl)

防火牆(基於 NetFilters 和 iptables)

  • 通過過濾器的數據包路徑
  • 創建自己的鏈

代理

  • WWW 代理 (Squid)

密碼學

  • SSLwrap (SSLwrap)
  • SSH 和 SCP
  • SSH 隧道

欺騙

  • 獲取有關IP位址和域擁有者的資訊
  • 提醒當局違反法律的行為
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