0. netcat 설치
Resolving Dependencies --> Running transaction check ---> Package nmap-ncat.x86_64 2:6.40-13.amzn2 will be installed --> Finished Dependency Resolution Dependencies Resolved ======================================================================================================================== Package Arch Version Repository Size ======================================================================================================================== Installing: nmap-ncat x86_64 2:6.40-13.amzn2 amzn2-core 207 k Transaction Summary ======================================================================================================================== Install 1 Package Total download size: 207 k Installed size: 418 k Is this ok [y/d/N]:
2. 서버측
$ nc -l -u [서버포트]
3. 클라이언츠측
$ nc -u [서버IP] [서버포트]
$ nc -zvu [서버IP] [서버포트]