Tcp on 春江暮客

Tcp on 春江暮客 https://www.bobobk.com/en/tags/tcp/ Recent content in Tcp on 春江暮客 Hugo en Sun, 18 Oct 2026 00:37:00 +0800 Probe TCP Ports with Python: Distinguish Refusal, Timeout, and System Errors https://www.bobobk.com/en/python-tcp-port-check.html Sun, 18 Oct 2026 00:37:00 +0800 https://www.bobobk.com/en/python-tcp-port-check.html Probe an IPv4 TCP endpoint with JSON and exit codes, then test listening ports, refused connections, and injected timeouts locally.