¿Qué está escuchando en mi sistema? netstat -an --ip | grep LISTEN Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:512 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:32768 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:2049 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:513 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:514 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:515 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:389 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:901 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:37 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:935 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:487 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:9 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:13 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:79 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:113 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN tcp 0 0 10.10.10.1:53 0.0.0.0:* LISTEN tcp 0 0 192.168.44.1:53 0.0.0.0:* LISTEN tcp 0 0 138.100.17.15:53 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:5432 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:3128 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:8088 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:46553 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:1241 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:3001 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:6010 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:6012 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:639 0.0.0.0:* LISTEN tcp 0 0 138.100.17.15:80 200.34.142.135:2638 TIME_WAIT tcp 0 0 192.168.44.1:3128 192.168.44.6:1067 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2702 TIME_WAIT tcp 0 0 192.168.44.1:3128 192.168.44.6:1066 ESTABLISHED tcp 0 0 192.168.44.1:3128 192.168.44.1:46637 FIN_WAIT2 tcp 0 0 138.100.17.15:80 148.213.121.11:2908 TIME_WAIT tcp 0 0 138.100.17.15:80 200.34.142.135:2703 TIME_WAIT tcp 0 0 138.100.17.15:80 200.34.142.135:2636 TIME_WAIT tcp 0 0 192.168.44.1:3128 192.168.44.6:1065 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2637 TIME_WAIT tcp 0 0 192.168.44.1:22 192.168.44.9:1035 ESTABLISHED tcp 0 0 192.168.44.1:3128 192.168.44.6:1064 ESTABLISHED tcp 0 0 138.100.17.15:80 148.213.121.11:2905 TIME_WAIT tcp 0 0 138.100.17.15:80 148.213.121.11:2904 TIME_WAIT tcp 0 0 192.168.44.1:3128 192.168.44.1:46634 FIN_WAIT2 tcp 0 0 138.100.17.15:80 148.213.121.11:2907 TIME_WAIT tcp 0 3176 138.100.17.15:80 200.34.142.135:2793 FIN_WAIT1 tcp 0 0 192.168.44.1:3128 192.168.44.1:46635 TIME_WAIT tcp 0 0 138.100.17.15:80 148.213.121.11:2906 TIME_WAIT tcp 0 0 192.168.44.1:3128 192.168.44.1:46667 FIN_WAIT2 tcp 0 0 138.100.17.15:80 200.34.142.135:2566 TIME_WAIT tcp 0 0 192.168.44.1:45825 192.168.44.11:6000 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2564 TIME_WAIT tcp 0 0 138.100.17.15:46683 138.100.17.15:6012 ESTABLISHED tcp 0 0 127.0.0.1:5432 127.0.0.1:45887 ESTABLISHED tcp 0 1 138.100.17.15:80 200.34.142.135:2788 CLOSING tcp 0 0 138.100.17.15:80 200.34.142.135:2565 TIME_WAIT tcp 0 0 127.0.0.1:45887 127.0.0.1:5432 ESTABLISHED tcp 0 0 192.168.44.1:3128 192.168.44.6:1063 TIME_WAIT tcp 0 32 138.100.17.15:6012 138.100.17.15:46683 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2786 TIME_WAIT tcp 0 0 138.100.17.15:22 138.100.17.16:4690 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2563 TIME_WAIT tcp 0 0 138.100.17.15:80 138.100.18.143:4017 TIME_WAIT tcp 0 0 138.100.17.15:80 200.34.142.135:2787 TIME_WAIT tcp 0 0 138.100.17.15:22 138.100.31.226:1041 ESTABLISHED tcp 0 0 192.168.44.1:46277 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46329 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46321 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46322 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46325 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46324 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46327 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46326 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46238 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46149 192.168.44.11:6000 ESTABLISHED tcp 1 0 192.168.44.1:46634 192.168.44.1:3128 CLOSE_WAIT tcp 1 0 192.168.44.1:46637 192.168.44.1:3128 CLOSE_WAIT tcp 1 0 192.168.44.1:46667 192.168.44.1:3128 CLOSE_WAIT tcp 0 0 192.168.44.1:46136 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46129 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46133 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46113 192.168.44.11:6000 ESTABLISHED tcp 0 0 192.168.44.1:46112 192.168.44.11:6000 ESTABLISHED tcp 0 0 138.100.17.15:46675 138.4.2.61:3128 TIME_WAIT tcp 0 0 138.100.17.15:46673 138.4.2.61:3128 ESTABLISHED tcp 0 0 138.100.17.15:46678 138.4.2.61:3128 ESTABLISHED tcp 0 0 138.100.17.15:46677 138.4.2.61:3128 ESTABLISHED tcp 0 0 138.100.17.15:46682 138.4.2.61:3128 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2785 TIME_WAIT tcp 0 0 138.100.17.15:22 138.100.17.16:4687 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2716 TIME_WAIT tcp 0 0 138.100.17.15:80 138.100.18.143:4015 TIME_WAIT tcp 0 0 138.100.17.15:22 192.168.44.6:1036 ESTABLISHED tcp 0 0 138.100.17.15:80 200.34.142.135:2584 TIME_WAIT tcp 0 0 138.100.17.15:80 200.34.142.135:2488 TIME_WAIT tcp 6 0 138.100.17.15:46570 138.100.17.15:46572 CLOSE_WAIT tcp 0 0 10.10.10.1:46672 10.10.10.2:9100 ESTABLISHED tcp 0 1 138.100.17.15:80 200.34.142.135:2644 CLOSING tcp 0 0 138.100.17.15:22 192.168.44.6:1059 ESTABLISHED tcp 6 0 138.100.17.15:46554 138.100.17.15:46414 CLOSE_WAIT tcp 0 0 138.100.17.15:80 192.168.44.6:1060 TIME_WAIT tcp 0 0 138.100.17.15:80 192.168.44.6:1061 TIME_WAIT tcp 0 0 138.100.17.15:80 200.34.142.135:2640 TIME_WAIT tcp 0 0 138.100.17.15:80 192.168.44.6:1062 TIME_WAIT tcp 0 0 138.100.17.15:80 200.34.142.135:2704 TIME_WAIT tcp 0 532 138.100.17.15:80 200.34.142.135:2801 FIN_WAIT1 tcp 0 0 138.100.17.15:80 200.34.142.135:2705 TIME_WAIT udp 0 0 0.0.0.0:32768 0.0.0.0:* udp 0 0 0.0.0.0:2049 0.0.0.0:* udp 0 0 0.0.0.0:513 0.0.0.0:* udp 0 0 0.0.0.0:32769 0.0.0.0:* udp 0 0 0.0.0.0:32770 0.0.0.0:* udp 0 0 0.0.0.0:32771 0.0.0.0:* udp 0 0 0.0.0.0:32772 0.0.0.0:* udp 0 0 0.0.0.0:517 0.0.0.0:* udp 0 0 0.0.0.0:518 0.0.0.0:* udp 0 0 0.0.0.0:32775 0.0.0.0:* udp 0 0 138.100.17.15:137 0.0.0.0:* udp 0 0 192.168.44.1:137 0.0.0.0:* udp 0 0 10.10.10.1:137 0.0.0.0:* udp 0 0 0.0.0.0:137 0.0.0.0:* udp 0 0 0.0.0.0:9 0.0.0.0:* udp 0 0 138.100.17.15:138 0.0.0.0:* udp 0 0 192.168.44.1:138 0.0.0.0:* udp 0 0 10.10.10.1:138 0.0.0.0:* udp 0 0 0.0.0.0:138 0.0.0.0:* udp 0 0 0.0.0.0:42379 0.0.0.0:* udp 0 0 0.0.0.0:42380 0.0.0.0:* udp 0 0 127.0.0.1:35472 127.0.0.1:123 ESTABLISHED udp 0 0 0.0.0.0:798 0.0.0.0:* udp 0 0 0.0.0.0:799 0.0.0.0:* udp 0 0 0.0.0.0:800 0.0.0.0:* udp 0 0 0.0.0.0:932 0.0.0.0:* udp 0 0 0.0.0.0:177 0.0.0.0:* udp 0 0 10.10.10.1:53 0.0.0.0:* udp 0 0 192.168.44.1:53 0.0.0.0:* udp 0 0 138.100.17.15:53 0.0.0.0:* udp 0 0 127.0.0.1:53 0.0.0.0:* udp 0 0 0.0.0.0:3130 0.0.0.0:* udp 0 0 0.0.0.0:67 0.0.0.0:* udp 0 0 0.0.0.0:67 0.0.0.0:* udp 0 0 0.0.0.0:67 0.0.0.0:* udp 0 0 0.0.0.0:35288 0.0.0.0:* udp 0 0 0.0.0.0:111 0.0.0.0:* udp 0 0 10.10.10.1:123 0.0.0.0:* udp 65320 0 192.168.44.1:123 0.0.0.0:* udp 65320 0 138.100.17.15:123 0.0.0.0:* udp 65508 0 127.0.0.1:123 0.0.0.0:* udp 504 0 0.0.0.0:123 0.0.0.0:* udp 0 0 0.0.0.0:636 0.0.0.0:* raw 0 0 0.0.0.0:1 0.0.0.0:* 7