linux:fail2ban
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| linux:fail2ban [2018/03/04 04:32] – created kbadmin | linux:fail2ban [2018/03/04 04:58] (current) – [Konfigurasi Fail2Ban Haproxy dan CSF] kbadmin | ||
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| Line 1: | Line 1: | ||
| ====== Tutorial Installasi Fail2Ban & Tips Trick ====== | ====== Tutorial Installasi Fail2Ban & Tips Trick ====== | ||
| - | Fail2ban adalah applikasi bruteforce detection | + | Fail2ban adalah applikasi bruteforce detection |
| ===== Installasi fail2ban di Centos ===== | ===== Installasi fail2ban di Centos ===== | ||
| Line 8: | Line 8: | ||
| </ | </ | ||
| - | ===== Konfigurasi Fail2Ban | + | ===== Membuat Custom Log File / |
| - | Kami menggunakan | + | Defaultnya log fail2ban |
| + | < | ||
| + | nano / | ||
| + | </ | ||
| + | ubah logtarget menjadi seperti ini | ||
| + | < | ||
| + | logtarget = / | ||
| + | </ | ||
| + | ===== Konfigurasi Fail2Ban Haproxy dan CSF ===== | ||
| + | Kami menggunakan fail2ban untuk membaca log haproxy dan memblokirnya dengan CSF. Log yang kami baca adalah aktifitas login menggunakan mekanisme POST pada url wp-login.php | ||
| + | < | ||
| + | nano / | ||
| + | </ | ||
| + | |||
| + | kami isi | ||
| + | < | ||
| + | [INCLUDES] | ||
| + | before = common.conf | ||
| + | |||
| + | [Definition] | ||
| + | _daemon = haproxy | ||
| + | |||
| + | failregex = ^.*haproxy\[[0-9]+\]*: | ||
| + | ignoreregex = | ||
| + | </ | ||
| + | |||
| + | Pastikan anda sudah menguji regular expresion tersebut dengan menggunakan | ||
| + | < | ||
| + | fail2ban-regex / | ||
| + | </ | ||
| + | dan apabila regex nya benar hasilnya seperti ini | ||
| + | < | ||
| + | Results | ||
| + | ======= | ||
| + | |||
| + | Failregex: 7660 total | ||
| + | |- #) [# of hits] regular expression | ||
| + | | 1) [7660] ^.*haproxy\[[0-9]+\]*: | ||
| + | `- | ||
| + | |||
| + | Ignoreregex: | ||
| + | |||
| + | Date template hits: | ||
| + | |- [# of hits] date format | ||
| + | | [520991] (?:DAY )?MON Day 24hour: | ||
| + | `- | ||
| + | |||
| + | Lines: 520991 lines, 0 ignored, 7660 matched, 513331 missed | ||
| + | [processed in 126.74 sec] | ||
| + | </ | ||
| + | |||
| + | sekitar 7660 baris match dengan regex tersebut. | ||
| + | |||
| + | selanjutnya adalah membuat jail | ||
| + | < | ||
| + | nano / | ||
| + | </ | ||
| + | isi dengan | ||
| + | < | ||
| + | [haproxy-wp] | ||
| + | enabled | ||
| + | bantime | ||
| + | findtime = 120 | ||
| + | maxretry = 6 | ||
| + | filter | ||
| + | logpath | ||
| + | port = http,https | ||
| + | action | ||
| + | </ | ||
| + | |||
| + | selanjutnya membuat action yang di integrasikan dengan CSF. | ||
| + | < | ||
| + | nano / | ||
| + | </ | ||
| + | isi dengan | ||
| + | < | ||
| + | # CSF / fail2ban integration from The Digital FAQ (digitalFAQ.com) | ||
| + | |||
| + | [Definition] | ||
| + | actionstart = | ||
| + | actionstop = | ||
| + | actioncheck = | ||
| + | actionban = csf -d <ip> Added by Fail2Ban for < | ||
| + | actionunban = csf -dr <ip> | ||
| + | |||
| + | [Init] | ||
| + | name = haproxy-wp | ||
| + | </ | ||
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