Fix Python ConnectionRefusedError (2025 Guide)
Fix Python ConnectionRefusedError (2025 Guide) Fix Python ConnectionRefusedError (2025 Guide) Posted on: March 23, 2025 Encountered a "ConnectionRefusedError" in Python? This error occurs when a network connection attempt is rejected by the target server. Let’s fix it fast in this 2025 guide! What Causes "ConnectionRefusedError"? ConnectionRefusedError is a subclass of OSError and is raised when Python tries to connect to a server that actively refuses the connection. Common causes include: Server Not Running : The target service isn’t active on the specified port. Wrong Address/Port : Incorrect IP or port number used. Firewall Blocking : Network rules prevent the connection. # This triggers "ConnectionRefusedError" import socket s = socket.socket(socket.AF_INET, sock...