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@gpmrh096

忘備録：ネットワーク解析・nmapの復習

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◇-Pnコマンドはping通信を行わず通信ができる

試しに192.168.21.161 ユーザー/パスワード：userq1
・普通にやったら防御される
image.png

・オプションを付けてみる
image.png

サーバーに接続してみる
image.png

◇-pでポートの番号を明確にしないと表示されない場合がある
image.png

◇-sVでソフト名とバージョンが分かる
・オプションなし
image.png
image.png
・オプションを付けてみる
image.png
image.png

◇nmapをかけながらWiresharkを見てみる
image.png
Wiresharkの通信状況が見える
image.png

ポート番号2043を調べてみる
image.png

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