nc.exe 포트 확인

-열린 포트

C:\Users\kn\Desktop\netcat-win32-1.12>nc -z -v 192.168.0.57 9090

khf01 [192.168.0.57] 9090 (?) open

- 닫힌 포트

C:\Users\kn\Desktop\netcat-win32-1.12>nc -z -v 192.168.0.116 9090

192.168.0.116: inverse host lookup failed: h_errno 11004: NO_DATA

(UNKNOWN) [192.168.0.116] 9090 (?): TIMEDOUT

-열린 포트

C:\Users\kn\Desktop\netcat-win32-1.12>nc -z -v 192.168.0.58 9090

khf01 [192.168.0.58] 9090 (?) open