Linux Labs· Networking and Secure AdministrationLab 22 of 37

Inspect IPv4, IPv6, Routes, and Sockets

Before anyone changes a firewall or a listener, map the path from interface to service: addresses in both families, the route to the peer, and which sockets are actually open to the network.

  • Intermediate
  • 30 min
  • Not rated yet
  • Free
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In this moduleNetworking and Secure Administration

  1. Inspect IPv4, IPv6, Routes, and SocketsYou are here
  2. Persistent NetworkManager Configuration35 min
  3. DNS Client Resolution and Lookup Troubleshooting35 min
  4. firewalld Zones and Least-Privilege Access35 min
  5. Configure and Operate an SSH Server35 min
  6. SSH Keys and Access Hardening35 min
  7. SFTP and Verified File Synchronization35 min
  8. Bastion Access and Restricted SSH Forwarding40 min