Cara Melihat Port Yang Sedang Terbuka Dan Tertutup

Option netstat digunakan untuk menampilkan semua koneksi yang sedang terbuka pada mesin local, buka Command Profm atau tekan tombol Windows + R maka akan keluar jendela Command Profm lalu ketikan CMD, maka akan muncul layar hitam dan ketikan perintah-perintah dibawah ini untuk mengetahui Port Local yang terbuka pada Notebook, Netbook atau PC teman-teman….hehehehehehe

C:\windows>netstat -a

Active Connections

Proto Local Address Foreign Address State

TCP ankit:1031 dwarfie.box.com:ftp ESTABLISHED

TCP ankit:1036 dwarfie.box.com:ftp-data TIME_WAIT

TCP ankit:1043 banners.egroups.com:80 FIN_WAIT_2

TCP ankit:1045 mail2.mtnl.net.in:pop3 TIME_WAIT

TCP ankit:1052 zztop.box.com:80 ESTABLISHED

TCP ankit:1053 mail2.mtnl.net.in:pop3 TIME_WAIT

UDP ankit:1025 *:*

UDP ankit:nbdatagram *:*

Perintah Netstat -n pada dasarnya merupakan tampilan bentuk numeric

C:\>netstat -n

Active Connections

Proto Local Address Foreign Address State

TCP 203.xx.251.161:1031 195.1.150.227:21 ESTABLISHED

TCP 203.xx.251.161:1043 207.138.41.181:80 FIN_WAIT_2

TCP 203.xx.251.161:1053 203.94.243.71:110 TIME_WAIT

TCP 203.xx.251.161:1058 195.1.150.227:20 TIME_WAIT

TCP 203.xx.251.161:1069 203.94.243.71:110 TIME_WAIT

TCP 203.xx.251.161:1071 194.98.93.244:80 ESTABLISHED

TCP 203.xx.251.161:1078 203.94.243.71:110 TIME_WAIT

Dimana xxx dapat berupa UDP atau TCP. Pemakaian argumen ini akan lebih jelas

C:\>netstat -p tcp

Active Connections

Proto Local Address Foreign Address State

TCP ankit:1031 dwarfie.box.com:ftp ESTABLISHED

TCP ankit:1043 banners.egroups.com:80 FIN_WAIT_2

TCP ankit:1069 mail2.mtnl.net.in:pop3 TIME_WAIT

TCP ankit:1078 mail2.mtnl.net.in:pop3 TIME_WAIT

TCP ankit:1080 mail2.mtnl.net.in:pop3 TIME_WAIT

TCP ankit:1081 www.burstnet.com:80 FIN_WAIT_2

TCP ankit:1083 zztop.box.com:80 TIME_WAIT

Sekarang kita telah sampai pada argumen yang terakhir dalam kaitannya dengan perintah Netstat, argumen

C:\windows>netstat -r

Route Table

Active Routes:

Network Address Netmask Gateway Address Interface Metric

0.0.0.0 0.0.0.0 203.94.251.161 203.94.251.161 1

127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1

203.94.251.0 255.255.255.0 203.94.251.161 203.94.251.161 1

203.94.251.161 255.255.255.255 127.0.0.1 127.0.0.1 1

203.94.251.255 255.255.255.255 203.94.251.161 203.94.251.161 1

224.0.0.0 224.0.0.0 203.94.251.161 203.94.251.161 1

255.255.255.255 255.255.255.255 203.94.251.161 203.94.251.161 1

Network Address Netmask Gateway Address Interface Metric

0.0.0.0 0.0.0.0 203.94.251.161 203.94.251.161 1

127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1

203.94.251.0 255.255.255.0 203.94.251.161 203.94.251.161 1

203.94.251.161 255.255.255.255 127.0.0.1 127.0.0.1 1

203.94.251.255 255.255.255.255 203.94.251.161 203.94.251.161 1

224.0.0.0 224.0.0.0 203.94.251.161 203.94.251.161 1

255.255.255.255 255.255.255.255 203.94.251.161 203.94.251.161 1

Active Connections

Proto Local Address Foreign Address State

TCP ankit:1031 dwarfie.box.com:ftp ESTABLISHED

TCP ankit:1043 banners.egroups.com:80 FIN_WAIT_2

TCP ankit:1081 www.burstnet.com:80 FIN_WAIT_2

TCP ankit:1093 zztop.box.com:80 TIME_WAIT

TCP ankit:1094 zztop.box.com:80 TIME_WAIT

TCP ankit:1095 mail2.mtnl.net.in:pop3 TIME_WAIT

TCP ankit:1096 zztop.box.com:80 TIME_WAIT

TCP ankit:1097 zztop.box.com:80 TIME_WAIT

TCP ankit:1098 colo88.acedsl.com:80 ESTABLISHED

TCP ankit:1099 mail2.mtnl.net.in:pop3 TIME_WAIT

Lihat Postingan Sebelumnya