cloudwatch log 에서 확인 1 기본 [version, account, eni, source, destination, srcport, destport, protocol, packets, bytes, windowstart, windowend, action, flowlogstatus] 2 소스 지정 [version, account, eni, source="10.0.0.1", destination, srcport, destport, protocol, packets, bytes, windowstart, windowend, action, flowlogstatus] 3 다른거 != 같지 않음 로그 확인 [version, account, eni, source!="EC2-IP", destination, srcport, destport, protocol, packets, bytes, windowstart, windowend, action, flowlogstatus] 4 dest 80 인것 확인 [version, account, eni, source, destination, srcport, destport!="80", protocol, packets, bytes, windowstart, windowend, action, flowlogstatus] 5 dest 80 아닌것 확인 [version, account, eni, source, destination, srcport, destport!="80", protocol, packets, bytes, windowstart, windowend, action, flowlogstatus]