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 Bagaimana menganalisa jaringan anda !!!

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PostSubyek: Bagaimana menganalisa jaringan anda !!!   September 5th 2009, 14:16

Memastikan jaringan internet aman gunakan minimal netstat. untuk melihat traffinya.

C:\Documents and Settings\Telkom>netstat

Active Connections

Proto Local Address Foreign Address State
TCP nonpot-6abf8526:1034 localhost:1035 ESTABLISHED
TCP nonpot-6abf8526:1035 localhost:1034 ESTABLISHED
TCP nonpot-6abf8526:1037 localhost:1038 ESTABLISHED
TCP nonpot-6abf8526:1038 localhost:1037 ESTABLISHED
TCP nonpot-6abf8526:1031 66.29.87.160:http CLOSE_WAIT
TCP nonpot-6abf8526:3302 cs9.msg.dcn.yahoo.com:5050 ESTABLISHED
TCP nonpot-6abf8526:3310 sip37.voice.re2.yahoo.com:5061 ESTABLISHED
TCP nonpot-6abf8526:4198 apps.kompas.com:http ESTABLISHED
TCP nonpot-6abf8526:4207 apps.kompas.com:http ESTABLISHED
TCP nonpot-6abf8526:4208 po-in-f93.google.com:http ESTABLISHED
TCP nonpot-6abf8526:4214 ti-in-f104.google.com:http ESTABLISHED
TCP nonpot-6abf8526:4267 vip61-hkg-pccw.netli.net:http TIME_WAIT
TCP nonpot-6abf8526:4269 vip61-hkg-pccw.netli.net:http ESTABLISHED
TCP nonpot-6abf8526:4270 vip61-hkg-pccw.netli.net:http ESTABLISHED
TCP nonpot-6abf8526:4271 vip61-hkg-pccw.netli.net:http ESTABLISHED
TCP nonpot-6abf8526:4273 vip61-hkg-pccw.netli.net:http ESTABLISHED
TCP nonpot-6abf8526:4274 web.plasa.com:http ESTABLISHED
TCP nonpot-6abf8526:4275 web.plasa.com:http ESTABLISHED
TCP nonpot-6abf8526:4276 web.plasa.com:http ESTABLISHED

C:\Documents and Settings\Telkom>

analisis minimal buat tau port, sama ip yang diakses komputer. kalau normal2 aja port itu

1. port 80 , 8080, 3128 ( web, proxy)

2. Port 21 port Ftp

3. Port 23 Port Telnet

4. Port 22 Port ssh

5. port 6667 port Chat Mirc

6. port 5050 port Yahooo mesengger

diluar itu mungkin virus. atau software tertentu yang anda installkan.
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