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How to Check Firewall Port Blocking with curl telnet | Simple Network TestBrawny Develop/EN_Development_ETC 2025. 6. 30. 14:54
🔹 How to Check If a Port Is Blocked by Firewall Using curl telnetWhen you need to check if a specific server port is open or blocked by a firewall, a quick and simple method is using this command:curl telnet://:While curl is primarily known for HTTP requests, it also supports basic telnet-style TCP connections, making it useful in restricted environments where installing telnet or nmap is not f..