Hai guys, di artikel selanjutnya ini penulis akan sharing mengenai informasi command Red Hat untuk mengetahui manufaktur Hardware termasuk serial number yang diperoleh melalui pengecekan OS.
[root@x_hostname ~]# uname -a
Linux x_hostname 2.6.32-358.el6.x86_64 #1 SMP Tue Jan 29 11:47:41 EST 2013 x86_64 x86_64 x86_64 GNU/Linux
[root@x_hostname ~]# cat /etc/*release
LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Red Hat Enterprise Linux Server release 6.4 (Santiago)
[root@x_hostname ~]# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 2
Core(s) per socket: 4
xxxx.................................
[root@x_hostname ~]# dmidecode | grep -A3 '^System Information'
System Information
Manufacturer: LENOVO
Product Name: System x3650 M5: -[xxxxxx]-
Version: 11
[root@x_hostname ~]# dmidecode -s system-serial-number
# SMBIOS implementations newer than version 2.7 are not
# fully supported by this version of dmidecode.
71XLSI0GX < serial number
Rabu, 07 Agustus 2019
Cara Mengambil Log AHS di Server HP (OS Linux)
Hai guys, untuk artikel yang selanjutnya ini buat reminder siapa saja yang mau mengambil log AHS di Server HP (OS Linux-RPM Based Systems). Artikel ini merujuk ke alamat blog teman sekantor saya, Nikko Haendratnio alias Mas Nikko saya memanggilnya seperti itu, ini mentor sekaligus rekan kerja dan ini alamat blognya https://nikko296.wordpress.com/tag/ahs/.
Berikut langkah-langkah pengambilan log AHS dari salah satu OS Linux (Red Hat):
=================================
1) Download folder Package AHSdownload
2) Masuk ke dalam folder tersebut
=================================
x_hostname:~ # cd opt/ahs/
x_hostname:/opt/ahs # ls
AHSdownload
x_hostname:/opt/ahs # cd AHSdownload/
x_hostname:/opt/ahs/AHSdownload # ls
AHSdownload README
=================================================
3) Jalankan command ./AHSdownload -h
untuk mengetahui list parameter command yang bisa digunakan
=================================================
x_hostname:/opt/ahs/AHSdownload # ./AHSdownload -h
AHS CLI Linux download version=2.2.0
Active Health System download utility
Version 2.2.0 -build 5-
AHSdownload [-d destination_folder] [-n myfilename.ahs] [-S serialnumber] [-s start_date [-e end_date]] [-a] [-v] [-h]
-d destination_folder will be the destination location(folder) where to create the ahs file.
-n myfilename.ahs: overrides the default AHS file name.
-S Includes user input serial number displayed in the default AHS file name. Not to be used with -n switch.
-s start_date: the date from which the data from AHS log has to be retrieved. It has to be specified in the form of YYYYMMDD.
-e end_date: the date till when the data from AHS log has to be retrieved. It has to be specified in the form of YYYYMMDD.
-a download all the data from the AHS log.
-v print verbose output to standard output.
-h display usage.
If start date (-s) and end date (-e) are not specified, by default AHS data related to the last 3 days will be downloaded.
If only start date (-s) without end date (-e) is specified, AHS data will use current day for end date for download.
If start date (-s) and end date (-e) are specified, only AHS data in that date range including start and end dates has to be downloaded.
=======================================================
4) Jalankan command ./AHSdownload -a untuk mengambil data log AHS
=======================================================
x_hostname:/opt/ahs/AHSdownload # ./AHSdownload -a
AHS CLI Linux download version=2.2.0
0%...0%...0%...0%...0%...0%...0%...0%...1%...1%...1%...1%...1%...2%...2%...2%...2%...3%...3%...3%...3%...3%...4%...4%...4%...4%...5%...5%...5%...5%...5%...6%...6%...6%...6%...6%...7%...7%...7%...7%...8%...8%...8%...8%...8%...9%...9%...9%...9%...10%...10%...10%...10%...10%...11%...11%...11%...11%...11%...12%...12%...12%...12%...13%...13%...13%...13%...13%...13%...14%...14%...14%...14%...15%...15%...15%...15%...15%...15%...16%...16%...16%...16%...16%...16%...17%...17%...17%...17%...17%...17%...18%...18%...18%...18%...18%...18%...19%...19%...19%...19%...19%...19%...20%...20%...20%...20%...20%...20%...21%...21%...21%...21%...21%...22%...22%...22%...22%...22%...22%...23%...23%...23%...23%...23%...23%...24%...24%...24%...24%...24%...24%...25%...25%...25%...25%...25%...25%...26%...26%...26%...26%...26%...26%...27%...27%...27%...27%...27%...27%...28%...28%...28%...28%...28%...28%...29%...29%...29%...29%...29%...29%...30%...30%...30%...30%...30%...30%...31%...31%...31%...31%...31%...31%...32%...32%...32%...32%...32%...33%...33%...33%...33%...33%...34%...34%...34%...34%...35%...35%...35%...35%...36%...36%...36%...36%...36%...37%...37%...37%...37%...38%...38%...38%...38%...38%...39%...39%...39%...39%...40%...40%...40%...40%...40%...41%...41%...41%...41%...42%...42%...42%...42%...42%...43%...43%...43%...43%...44%...44%...44%...44%...44%...45%...45%...45%...45%...45%...46%...46%...46%...46%...47%...47%...47%...47%...47%...48%...48%...48%...48%...49%...49%...49%...49%...49%...50%...50%...50%...50%...51%...51%...51%...51%...51%...52%...52%...52%...52%...53%...53%...53%...53%...53%...54%...54%...54%...54%...55%...55%...55%...55%...56%...56%...56%...56%...56%...57%...57%...57%...57%...58%...58%...58%...58%...58%...59%...59%...59%...59%...60%...60%...60%...60%...60%...61%...61%...61%...61%...62%...62%...62%...62%...62%...63%...63%...63%...63%...64%...64%...64%...64%...65%...65%...65%...65%...65%...66%...66%...66%...66%...67%...67%...67%...67%...67%...68%...68%...68%...68%...68%...69%...69%...69%...69%...70%...70%...70%...70%...70%...71%...71%...71%...71%...72%...72%...72%...72%...73%...73%...73%...73%...73%...74%...74%...74%...74%...75%...75%...75%...75%...75%...76%...76%...76%...76%...77%...77%...77%...77%...77%...78%...78%...78%...78%...79%...79%...79%...79%...80%...80%...80%...80%...80%...81%...81%...81%...81%...82%...82%...82%...82%...82%...83%...83%...83%...83%...84%...84%...84%...84%...84%...85%...85%...85%...85%...86%...86%...86%...86%...86%...87%...87%...87%...87%...88%...88%...88%...88%...88%...89%...89%...89%...89%...90%...90%...90%...90%...90%...91%...91%...91%...91%...92%...92%...92%...92%...92%...93%...93%...93%...93%...94%...94%...94%...94%...94%...95%...95%...95%...95%...96%...96%...96%...96%...96%...96%...97%...97%...97%...97%...98%...98%...98%...98%...98%...99%...99%...99%...99%...99%...99%...100%
Pengambilan data log AHS berhasil 100%.
Berikut langkah-langkah pengambilan log AHS dari salah satu OS Linux (Red Hat):
=================================
1) Download folder Package AHSdownload
2) Masuk ke dalam folder tersebut
=================================
x_hostname:~ # cd opt/ahs/
x_hostname:/opt/ahs # ls
AHSdownload
x_hostname:/opt/ahs # cd AHSdownload/
x_hostname:/opt/ahs/AHSdownload # ls
AHSdownload README
=================================================
3) Jalankan command ./AHSdownload -h
untuk mengetahui list parameter command yang bisa digunakan
=================================================
x_hostname:/opt/ahs/AHSdownload # ./AHSdownload -h
AHS CLI Linux download version=2.2.0
Active Health System download utility
Version 2.2.0 -build 5-
AHSdownload [-d destination_folder] [-n myfilename.ahs] [-S serialnumber] [-s start_date [-e end_date]] [-a] [-v] [-h]
-d destination_folder will be the destination location(folder) where to create the ahs file.
-n myfilename.ahs: overrides the default AHS file name.
-S Includes user input serial number displayed in the default AHS file name. Not to be used with -n switch.
-s start_date: the date from which the data from AHS log has to be retrieved. It has to be specified in the form of YYYYMMDD.
-e end_date: the date till when the data from AHS log has to be retrieved. It has to be specified in the form of YYYYMMDD.
-a download all the data from the AHS log.
-v print verbose output to standard output.
-h display usage.
If start date (-s) and end date (-e) are not specified, by default AHS data related to the last 3 days will be downloaded.
If only start date (-s) without end date (-e) is specified, AHS data will use current day for end date for download.
If start date (-s) and end date (-e) are specified, only AHS data in that date range including start and end dates has to be downloaded.
=======================================================
4) Jalankan command ./AHSdownload -a untuk mengambil data log AHS
=======================================================
x_hostname:/opt/ahs/AHSdownload # ./AHSdownload -a
AHS CLI Linux download version=2.2.0
0%...0%...0%...0%...0%...0%...0%...0%...1%...1%...1%...1%...1%...2%...2%...2%...2%...3%...3%...3%...3%...3%...4%...4%...4%...4%...5%...5%...5%...5%...5%...6%...6%...6%...6%...6%...7%...7%...7%...7%...8%...8%...8%...8%...8%...9%...9%...9%...9%...10%...10%...10%...10%...10%...11%...11%...11%...11%...11%...12%...12%...12%...12%...13%...13%...13%...13%...13%...13%...14%...14%...14%...14%...15%...15%...15%...15%...15%...15%...16%...16%...16%...16%...16%...16%...17%...17%...17%...17%...17%...17%...18%...18%...18%...18%...18%...18%...19%...19%...19%...19%...19%...19%...20%...20%...20%...20%...20%...20%...21%...21%...21%...21%...21%...22%...22%...22%...22%...22%...22%...23%...23%...23%...23%...23%...23%...24%...24%...24%...24%...24%...24%...25%...25%...25%...25%...25%...25%...26%...26%...26%...26%...26%...26%...27%...27%...27%...27%...27%...27%...28%...28%...28%...28%...28%...28%...29%...29%...29%...29%...29%...29%...30%...30%...30%...30%...30%...30%...31%...31%...31%...31%...31%...31%...32%...32%...32%...32%...32%...33%...33%...33%...33%...33%...34%...34%...34%...34%...35%...35%...35%...35%...36%...36%...36%...36%...36%...37%...37%...37%...37%...38%...38%...38%...38%...38%...39%...39%...39%...39%...40%...40%...40%...40%...40%...41%...41%...41%...41%...42%...42%...42%...42%...42%...43%...43%...43%...43%...44%...44%...44%...44%...44%...45%...45%...45%...45%...45%...46%...46%...46%...46%...47%...47%...47%...47%...47%...48%...48%...48%...48%...49%...49%...49%...49%...49%...50%...50%...50%...50%...51%...51%...51%...51%...51%...52%...52%...52%...52%...53%...53%...53%...53%...53%...54%...54%...54%...54%...55%...55%...55%...55%...56%...56%...56%...56%...56%...57%...57%...57%...57%...58%...58%...58%...58%...58%...59%...59%...59%...59%...60%...60%...60%...60%...60%...61%...61%...61%...61%...62%...62%...62%...62%...62%...63%...63%...63%...63%...64%...64%...64%...64%...65%...65%...65%...65%...65%...66%...66%...66%...66%...67%...67%...67%...67%...67%...68%...68%...68%...68%...68%...69%...69%...69%...69%...70%...70%...70%...70%...70%...71%...71%...71%...71%...72%...72%...72%...72%...73%...73%...73%...73%...73%...74%...74%...74%...74%...75%...75%...75%...75%...75%...76%...76%...76%...76%...77%...77%...77%...77%...77%...78%...78%...78%...78%...79%...79%...79%...79%...80%...80%...80%...80%...80%...81%...81%...81%...81%...82%...82%...82%...82%...82%...83%...83%...83%...83%...84%...84%...84%...84%...84%...85%...85%...85%...85%...86%...86%...86%...86%...86%...87%...87%...87%...87%...88%...88%...88%...88%...88%...89%...89%...89%...89%...90%...90%...90%...90%...90%...91%...91%...91%...91%...92%...92%...92%...92%...92%...93%...93%...93%...93%...94%...94%...94%...94%...94%...95%...95%...95%...95%...96%...96%...96%...96%...96%...96%...97%...97%...97%...97%...98%...98%...98%...98%...98%...99%...99%...99%...99%...99%...99%...100%
Pengambilan data log AHS berhasil 100%.
Selasa, 06 Agustus 2019
Hasil Output Perbandingan Protocol IAX dan SIP di VoIP Asterisk
Hai guys, sudah lama penulis tidak mengupload artikel blog. Di artikel selanjutnya ini, penulis akan menginfokan beberapa hasil output, percobaan teknik eavesdropping atau menguping terhadap user yang terhubung ke Server VoIP Asterisk yang dibangun di atas sistem operasi CentOS 7. Percobaan tersebut diimplementasikan dengan menggunakan aplikasi Android Zoiper sebagai platform yang digunakan end user untuk menghubungi user lain, dimana platform tersebut (Zoiper) dikonfigurasi dengan menggunakan dua protocol yakni IAX dan SIP secara bergantian, guna membandingkan ketahanan dari kedua protocol tersebut dari serangan eavesdropping. Percobaan dilakukan pada tgl. 4 Agustus 2019.
Untuk lebih mengetahui mengenai pengertian eavesdropping, protocol (IAX dan SIP), serta VoIP, teman-teman bisa mengunjungi beberapa link berikut:
https://www.beritabebas.com/definisi/eavesdropping/
https://ilmukomputer.org/2013/01/31/teknologi-voip/
https://antonraharja.com/2006/08/22/mengenal-protokol-voip-sip/
https://www.beritabebas.com/definisi/iax-inter-asterisk-exchange-protocol/
Untuk mengetahui bagaimana buliding Server VoIP dan setting aplikasi Zoiper nya, teman-teman bisa mengunjungi blog penulis pada artikel sebelumnya, ada perbedaan di jenis server dan jaringan yang digunakan. Kalau pada artikel penulis sebelumnya, OS yang digunakan adalah Ubuntu dan yang digunakan untuk implementasi ini adalah CentOS, maka itu bukan masalah, package bisa menyesuaikan. Kalau untuk jaringannya, di percobaan ini penulis menggunakan interface WiFi, dan ini juga tidak masalah.
Ini link yang penulis maksud:
https://www.greenteaslash.com/2015/12/how-to-build-voip-server-on-ubuntu-1310.html
https://www.greenteaslash.com/2015/12/how-to-create-user-accounts-on-voip.html
wkwk penulisnya males banget ini, hehe
Sebelum penulis menuju ke screenshot hasil percobaan teknik eavesdroppingnya, penulis akan memberitahukan model konfigurasi file-file yang ada di dalam Server VoIP yang related.
Berikut screenshot hasil teknik eavesdropping menggunakan aplikasi Wireshark, dengan menu tool 'SIP Flows > RTP Player ' dan 'IAX2 Stream Analysis' .
Untuk lebih mengetahui mengenai pengertian eavesdropping, protocol (IAX dan SIP), serta VoIP, teman-teman bisa mengunjungi beberapa link berikut:
https://www.beritabebas.com/definisi/eavesdropping/
https://ilmukomputer.org/2013/01/31/teknologi-voip/
https://antonraharja.com/2006/08/22/mengenal-protokol-voip-sip/
https://www.beritabebas.com/definisi/iax-inter-asterisk-exchange-protocol/
Untuk mengetahui bagaimana buliding Server VoIP dan setting aplikasi Zoiper nya, teman-teman bisa mengunjungi blog penulis pada artikel sebelumnya, ada perbedaan di jenis server dan jaringan yang digunakan. Kalau pada artikel penulis sebelumnya, OS yang digunakan adalah Ubuntu dan yang digunakan untuk implementasi ini adalah CentOS, maka itu bukan masalah, package bisa menyesuaikan. Kalau untuk jaringannya, di percobaan ini penulis menggunakan interface WiFi, dan ini juga tidak masalah.
Ini link yang penulis maksud:
https://www.greenteaslash.com/2015/12/how-to-build-voip-server-on-ubuntu-1310.html
https://www.greenteaslash.com/2015/12/how-to-create-user-accounts-on-voip.html
wkwk penulisnya males banget ini, hehe
Sebelum penulis menuju ke screenshot hasil percobaan teknik eavesdroppingnya, penulis akan memberitahukan model konfigurasi file-file yang ada di dalam Server VoIP yang related.
- File sip.conf, digunakan untuk mendaftarkan user agar saling terhubung dengan menggunakan protocol SIP.
Konfigurasi SIP (Part 1)
Konfigurasi SIP (Part 2)
- File iax.conf, digunakan untuk mendaftarkan user agar saling terhubung dengan menggunakan protocol IAX.
Konfigurasi IAX (Part 1)
Konfigurasi IAX (Part 2)
- File extensions.conf, digunakan untuk mengatur alur dari proses telephony, dari dial hingga telepon diangkat.,
Konfigurasi Extensions (Part 1)
Konfigurasi Extensions (Part 2)
Berikut screenshot hasil teknik eavesdropping menggunakan aplikasi Wireshark, dengan menu tool 'SIP Flows > RTP Player ' dan 'IAX2 Stream Analysis' .
- Hasil output penggunaan protocol SIP
Tampilan data yang lewat dari SIP ke SIP
Log User yang menggunakan Protocol SIP terdeteksi
Testing Eavesdropping (SIP Flows > RTP Player)
Proses Eavesdropping berjalan, percakapan terdengar antar pengguna.
- Hasil output penggunaan protocol IAX
Tampilan data yang lewat dari IAX ke IAX
Log User yang menggunakan Protocol IAX terdeteksi
Testing Eavesdropping (SIP Flows > RTP Player)
Proses Eavesdropping tidak berjalan
Tool 'IAX2 Stream Analysis'
untuk mengecek informasi performa data IAX yang lewat
Dari implementasi tersebut, kita dapat mengetahui bahwa sejauh ini, protocol yang paling aman untuk dunia per VoIP an adalah IAX, karena merujuk dari link ini https://stackoverflow.com/questions/46368041/sniffing-trunked-iax2-traffic , protocol IAX dapat mengenkripsi data yang lewat, sehingga terhindar dari serangan eavesdropping.
Barangkali teman-teman ada memiliki info lain terkait materi ini, silahkan tinggalkan pesan di kolom komentar, kita bisa berdiskusi bareng. It's Fun.