네트워크 포트 문제

tcp        0      0 ::1:54637                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54636                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54639                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54645                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54644                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54646                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54641                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54640                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54643                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54642                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54649                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54648                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54651                   ::1:80                      TIME_WAIT   -
tcp        0      0 ::1:54650                   ::1:80                      TIME_WAIT   -

netstat 실행시 결과 부분에 위와 같은 부분이 있습니다.

이게 정상적인 건지요;;;;;