advanced·20 min·有料
The Firewall That Never Saw the Request
Replies are dropped by a firewall that never saw the request.
シナリオ
Lowell Actuarial added a second path between its server room and the core for resilience. Since then the reporting client cannot reach the analytics server, although the server records the incoming requests and answers them. The security team confirms the return firewall is configured exactly as approved and refuses to loosen it. Restore client access without weakening the firewall.
学習目標
- asymmetric routing
- stateful firewall
- connection tracking
- troubleshooting
トポロジーと設定
この環境には5台のデバイス(2 Hosts, 3 Routers)が含まれます。上記のネットワーキングスキルを設定し、トラブルシューティングします。