python websocket 被防火墙拦截了报什么错误？-- ConnectionResetError: [Errno 104] Connection reset by peer

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server and client 样例代码

client 端代码

import asyncio
import websockets
 
IP_ADDR = "ip"
IP_PORT = "port"
 
# 握手，通过发送hello，接收"123"来进行双方的握手。
async def clientHands(websocket):