“对等方重置连接"是什么意思?意思是? [英] What does "connection reset by peer" mean?

问题描述

TCP 连接上的connection reset by peer"错误是什么意思?是致命错误还是只是通知或与网络故障有关?

What is the meaning of the "connection reset by peer" error on a TCP connection? Is it a fatal error or just a notification or related to the network failure?

推荐答案

这是致命的.远程服务器向您发送了一个 RST 数据包，这表明连接立即断开，而不是通常的握手.这绕过了正常的半关闭状态转换.我喜欢这个描述:

It's fatal. The remote server has sent you a RST packet, which indicates an immediate dropping of the connection, rather than the usual handshake. This bypasses the normal half-closed state transition. I like this description:

由对等方重置连接"是 TCP/IP 等价物，相当于将电话重新挂断.这比仅仅不回答、留下一个悬而未决更有礼貌.但这不是真正礼貌的 TCP/IP 对话者所期望的 FIN-ACK.

"Connection reset by peer" is the TCP/IP equivalent of slamming the phone back on the hook. It's more polite than merely not replying, leaving one hanging. But it's not the FIN-ACK expected of the truly polite TCP/IP converseur.

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