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  1. #1
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    ssh ip yang aneh

    22:36:37 system,error,critical login failure for user tester from 74.50.115.88 via ssh
    22:36:41 system,error,critical login failure for user danny from 74.50.115.88 via ssh
    22:36:44 system,error,critical login failure for user danny from 74.50.115.88 via ssh
    22:36:48 system,error,critical login failure for user 1 from 74.50.115.88 via ssh
    22:36:52 system,error,critical login failure for user test2 from 74.50.115.88 via ssh
    22:36:56 system,error,critical login failure for user tester from 74.50.115.88 via ssh
    22:37:00 system,error,critical login failure for user student from 74.50.115.88 via ssh
    22:37:03 system,error,critical login failure for user rob from 74.50.115.88 via ssh
    22:37:07 system,error,critical login failure for user rob from 74.50.115.88 via ssh
    22:37:11 system,error,critical login failure for user gast from 74.50.115.88 via ssh
    22:37:15 system,error,critical login failure for user gast from 74.50.115.88 via ssh
    22:37:19 system,error,critical login failure for user michael from 74.50.115.88 via ssh
    22:37:23 system,error,critical login failure for user jacuna from 74.50.115.88 via ssh
    22:37:30 system,error,critical login failure for user invite from 74.50.115.88 via ssh
    22:37:33 system,error,critical login failure for user bauer from 74.50.115.88 via ssh
    22:37:37 system,error,critical login failure for user basic from 74.50.115.88 via ssh
    22:37:41 system,error,critical login failure for user webcam from 74.50.115.88 via ssh
    22:37:45 system,error,critical login failure for user smmsp from 74.50.115.88 via ssh
    22:37:49 system,error,critical login failure for user luc from 74.50.115.88 via ssh
    22:37:53 system,error,critical login failure for user sky from 74.50.115.88 via ssh
    22:37:57 system,error,critical login failure for user jason from 74.50.115.88 via ssh
    22:38:01 system,error,critical login failure for user harvey from 74.50.115.88 via ssh
    22:38:05 system,error,critical login failure for user harvey from 74.50.115.88 via ssh
    22:38:09 system,error,critical login failure for user sky from 74.50.115.88 via ssh
    22:38:13 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:38:17 system,error,critical login failure for user retsu from 74.50.115.88 via ssh
    22:38:21 system,error,critical login failure for user webadmin from 74.50.115.88 via ssh
    22:38:26 system,error,critical login failure for user devilsins from 74.50.115.88 via ssh
    22:38:31 system,error,critical login failure for user rexmen from 74.50.115.88 via ssh
    22:38:36 system,error,critical login failure for user rexmen from 74.50.115.88 via ssh
    22:38:40 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:38:45 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:38:49 system,error,critical login failure for user chorist from 74.50.115.88 via ssh
    22:38:54 system,error,critical login failure for user chorist from 74.50.115.88 via ssh
    22:38:58 system,error,critical login failure for user jennan from 74.50.115.88 via ssh
    22:39:02 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:39:08 system,error,critical login failure for user temporal from 74.50.115.88 via ssh
    22:39:12 system,error,critical login failure for user fester from 74.50.115.88 via ssh
    22:39:16 system,error,critical login failure for user remote from 74.50.115.88 via ssh


    ini apa ya? kayaknya ngeres banget mo masukClick here to enlarge
    tulung dung
    maaf klo pernah dibahas sebelumnyaClick here to enlarge
    Last edited by tamuluyun; 10-05-2009 at 00:03.

  2. #2
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    Click here to enlarge Originally Posted by tamuluyun Click here to enlarge
    22:36:37 system,error,critical login failure for user tester from 74.50.115.88 via ssh
    22:36:41 system,error,critical login failure for user danny from 74.50.115.88 via ssh
    22:36:44 system,error,critical login failure for user danny from 74.50.115.88 via ssh
    22:36:48 system,error,critical login failure for user 1 from 74.50.115.88 via ssh
    22:36:52 system,error,critical login failure for user test2 from 74.50.115.88 via ssh
    22:36:56 system,error,critical login failure for user tester from 74.50.115.88 via ssh
    22:37:00 system,error,critical login failure for user student from 74.50.115.88 via ssh
    22:37:03 system,error,critical login failure for user rob from 74.50.115.88 via ssh
    22:37:07 system,error,critical login failure for user rob from 74.50.115.88 via ssh
    22:37:11 system,error,critical login failure for user gast from 74.50.115.88 via ssh
    22:37:15 system,error,critical login failure for user gast from 74.50.115.88 via ssh
    22:37:19 system,error,critical login failure for user michael from 74.50.115.88 via ssh
    22:37:23 system,error,critical login failure for user jacuna from 74.50.115.88 via ssh
    22:37:30 system,error,critical login failure for user invite from 74.50.115.88 via ssh
    22:37:33 system,error,critical login failure for user bauer from 74.50.115.88 via ssh
    22:37:37 system,error,critical login failure for user basic from 74.50.115.88 via ssh
    22:37:41 system,error,critical login failure for user webcam from 74.50.115.88 via ssh
    22:37:45 system,error,critical login failure for user smmsp from 74.50.115.88 via ssh
    22:37:49 system,error,critical login failure for user luc from 74.50.115.88 via ssh
    22:37:53 system,error,critical login failure for user sky from 74.50.115.88 via ssh
    22:37:57 system,error,critical login failure for user jason from 74.50.115.88 via ssh
    22:38:01 system,error,critical login failure for user harvey from 74.50.115.88 via ssh
    22:38:05 system,error,critical login failure for user harvey from 74.50.115.88 via ssh
    22:38:09 system,error,critical login failure for user sky from 74.50.115.88 via ssh
    22:38:13 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:38:17 system,error,critical login failure for user retsu from 74.50.115.88 via ssh
    22:38:21 system,error,critical login failure for user webadmin from 74.50.115.88 via ssh
    22:38:26 system,error,critical login failure for user devilsins from 74.50.115.88 via ssh
    22:38:31 system,error,critical login failure for user rexmen from 74.50.115.88 via ssh
    22:38:36 system,error,critical login failure for user rexmen from 74.50.115.88 via ssh
    22:38:40 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:38:45 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:38:49 system,error,critical login failure for user chorist from 74.50.115.88 via ssh
    22:38:54 system,error,critical login failure for user chorist from 74.50.115.88 via ssh
    22:38:58 system,error,critical login failure for user jennan from 74.50.115.88 via ssh
    22:39:02 system,error,critical login failure for user sbear from 74.50.115.88 via ssh
    22:39:08 system,error,critical login failure for user temporal from 74.50.115.88 via ssh
    22:39:12 system,error,critical login failure for user fester from 74.50.115.88 via ssh
    22:39:16 system,error,critical login failure for user remote from 74.50.115.88 via ssh


    ini apa ya? kayaknya ngeres banget mo masukClick here to enlarge
    tulung dung
    maaf klo pernah dibahas sebelumnyaClick here to enlarge
    wah keliatannya ada 'login try' via ssh dari ip 70.50.115.88 bos..
    coba tutup port ssh (22)..

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  4. #3
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    ada nggk cara lain, selain menutup port 22?
    port 22 nya kepake banget buat remot via ssh sihClick here to enlarge

  5. #4
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    Click here to enlarge Originally Posted by tamuluyun Click here to enlarge
    ada nggk cara lain, selain menutup port 22?
    port 22 nya kepake banget buat remot via ssh sihClick here to enlarge
    bikin rules saja boss, ip tertentu yg bisa ssh saja.. yang lain di drop..

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  7. #5
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    remotnya pk hp (gprs) ip nya dinamik
    Click here to enlarge
    ngung-bingung-ngungClick here to enlarge

  8. #6
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    Click here to enlarge Originally Posted by tamuluyun Click here to enlarge
    remotnya pk hp (gprs) ip nya dinamik
    Click here to enlarge
    ngung-bingung-ngungClick here to enlarge
    aplikasi ssh di hp gitu??
    ataw hpna yg dipake modem trus colok ke komp??

    harusnya ip bisa di set static boss..
    menurut pengalaman neh,, [hp nokia],, ada di menu setting untuk connection preferencenya..

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  10. #7
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    kenapa ga dilindungi aja port 22 nya bos dengan metode ini :



    tutorial diatas untuk port 21 alias ftp, jadi tinggal disesuaikan aja sama punya si bos yang menggunakan port 22 ssh. semoga bermanfaat.

    CMIIW ........ ijo2 nya juragan :P

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  12. #8
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    Click here to enlarge Originally Posted by zainalk29 Click here to enlarge
    kenapa ga dilindungi aja port 22 nya bos dengan metode ini :



    tutorial diatas untuk port 21 alias ftp, jadi tinggal disesuaikan aja sama punya si bos yang menggunakan port 22 ssh. semoga bermanfaat.

    CMIIW ........ ijo2 nya juragan :P
    makasih bro dunk2 dan bro zainalk29
    kayaknya pas banget nih

  13. #9
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    sami sami juragan semoga bisa membantu Click here to enlarge

  14. #10
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    gimana kalau ganti port aja buat sshnya
    misal ganti port jadi 2222 maka akses sshnya misal ke IP 202.12.34.56 bisa lewat 202.12.34.56:2222

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  16. #11
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    Click here to enlarge Originally Posted by dencow Click here to enlarge
    gimana kalau ganti port aja buat sshnya
    misal ganti port jadi 2222 maka akses sshnya misal ke IP 202.12.34.56 bisa lewat 202.12.34.56:2222
    boleh juga ya Click here to enlarge
    jd cuman admin aja yang tau port nya gtClick here to enlarge

    makasih om
    langsung di coba

  17. #12
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    Masalahnya cara kayak gitu gampang diketahui. Tinggal scanning port yang terbuka, port-nya kan cuma dari 0-65rb-an. Gampang, pake laptop sederhana sekarang aja cuma sebentar port scanning kek gitu.

    Mending bener, blok koneksi ssh ke port 22 selain IP yang diizinkan. Mau lebih advance? Pake teknik port-knocking. Cari di wiki mikrotik. Di sini juga ada kalau gak salah, pernah saya post. Hasil kerjanya admin [a] Click here to enlarge .

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  19. #13
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    yang ini ya bos

    macacih macucannya
    makasih masukannya
    Click here to enlarge

  20. #14
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    Click here to enlarge Originally Posted by rezalesmana Click here to enlarge
    Masalahnya cara kayak gitu gampang diketahui. Tinggal scanning port yang terbuka, port-nya kan cuma dari 0-65rb-an. Gampang, pake laptop sederhana sekarang aja cuma sebentar port scanning kek gitu.

    Mending bener, blok koneksi ssh ke port 22 selain IP yang diizinkan. Mau lebih advance? Pake teknik port-knocking. Cari di wiki mikrotik. Di sini juga ada kalau gak salah, pernah saya post. Hasil kerjanya admin [a] Click here to enlarge .
    kalau dikombinasikan ya lebih mak nyuss ya Click here to enlarge
    masalahnya kalau mau koneknya pake isp lain yang ipnya dynamic ya rephott...
    udah mendingan kok pake ganti port aja.
    asal password pake yang sulit, misal @#DF@#$srs%!!324 dan dienkripsi kan susah di bruteforce.
    tapi... ya memang sistem ga ada yang 100% aman sih Click here to enlarge

  21. #15
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    wah kalo udah pake port knocking itu maknyus banget deh....... seneng banget aku liat nya kaya nembus pintu yang terkunci ... hehehhe Click here to enlarge .......

 

 

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