서버를 운용하다보면 포트포워딩을 자주하게 됩니다.
간혹 포트를 개방했지만 작동하지 않을 때 포트 개방여부를 확인하는 툴이 있어 링크 올려봅니다.
Open Port Check Tool – Test Port Forwarding on Your Router
The port forwarding tester is a utility used to identify your external IP address and detect open ports on your connection. This tool is useful for finding out if your port forwarding is setup correctly or if your server applications are being blocked by a firewall.
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