Читать книгу CCNP Enterprise Certification Study Guide: Implementing and Operating Cisco Enterprise Network Core Technologies - Ben Piper, David Higby Clinton - Страница 44

When the client is ready to terminate the connection, it sends a segment with the finish (FIN) flag set. The server responds with an ACK; however, it can continue to send data. This is called a half-close state. When the server is ready to terminate the connection, it too sends a segment with the FIN flag set. The client ACKs this segment, and the connection is fully closed.