intermediate·20 min·付费
ACL: Block a Whole Subnet #1
A contractor network can reach a protected subnet that should remain isolated.
场景
Beacon Logistics is separating a newly connected contractor network from internal operations. The contractor hosts can currently reach systems in a protected subnet, but the router and other approved paths must continue working. Restrict the affected source network as intended and confirm that the boundary blocks the whole subnet rather than only one test host.
学习目标
- acl
- iptables
- packet filtering
拓扑与配置
此环境包含 3 台设备（2 Hosts, 1 Router）。你将配置并排查上方列出的网络技能。
课程主题
认证考纲目标
- ccna-200-301 · 目标 5.6：Configure and verify access control lists
- comptia-network-plus-n10-009 · 目标 4.3：Apply network security features, defense techniques, and solutions