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start:howto:fail2ban [2015/09/28 15:40]
mrpink [nginx-http-auth.conf]
start:howto:fail2ban [2016/09/17 15:11]
flames
Line 10: Line 10:
  
 First we need to install fail2ban via aptitude First we need to install fail2ban via aptitude
-<konsole root> + 
-# aptitude update +# aptitude update ​&& ​aptitude install fail2ban
-aptitude install fail2ban +
-</​konsole>​+
  
 ===== Configuration ===== ===== Configuration =====
Line 184: Line 182:
 filter ​  = proftpd filter ​  = proftpd
 logpath ​ = /​var/​log/​auth.log logpath ​ = /​var/​log/​auth.log
 +maxretry = 6
 +
 +
 +[vsftpd]
 +
 +enabled ​ = true
 +port     = ftp,​ftp-data,​ftps,​ftps-data
 +filter ​  = vsftpd-custom
 +logpath ​ = /​var/​log/​vsftpd.log
 maxretry = 6 maxretry = 6
  
Line 308: Line 315:
 ---- ----
  
-Now restart ​fail2ban and test if all is working:+Restart ​fail2ban and test if all is working: 
  
-<konsole root> 
 # service fail2ban restart # service fail2ban restart
-</konsole>+ 
 + 
 +===== vsftpd ===== 
 + 
 +Now create a new file **/​etc/​fail2ban/​filter.d/​vsftpd-fixed.conf** and copy the following content into the file: 
 + 
 +<​code>​ 
 +# Fail2Ban filter for vsftp 
 +
 +# Configure VSFTP for "​dual_log_enable=YES",​ and have fail2ban watch 
 +# /​var/​log/​vsftpd.log instead of /​var/​log/​secure. vsftpd.log file shows the 
 +# incoming ip address rather than domain names. 
 + 
 +[INCLUDES] 
 + 
 +before = common.conf 
 + 
 +[Definition] 
 + 
 +__pam_re=\(?​pam_unix(?:​\(\S+\))?​\)?:?​ 
 +_daemon =  vsftpd 
 + 
 +failregex = ^%(__prefix_line)s%(__pam_re)s\s+Permission denied; logname=\S* uid=\S* euid=\S* tty=(ftp)? ruser=\S* rhost=<​HOST>​(?:​\s+user=.*)?​\s*$ 
 +            ^ \[pid \d+\] \[.+\]\s+FTP response: Client "::​ffff:<​HOST>",​\s*"​530 Permission denied\."​\s*$ 
 + 
 +ignoreregex =  
 + 
 +# Version from fail2ban wiki does't work, fixed version 
 +</code> 
 + 
 +---- 
 + 
 +Restart fail2ban and test if all is working: 
 + 
 + 
 +# service fail2ban restart 
  
 ===== Test & Debug ===== ===== Test & Debug =====
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 To test your current config use fail2ban-regex. Here an example for dovecot: To test your current config use fail2ban-regex. Here an example for dovecot:
  
-<konsole root> 
 # fail2ban-regex /​var/​log/​mail.log /​etc/​fail2ban/​filter.d/​dovecot.conf # fail2ban-regex /​var/​log/​mail.log /​etc/​fail2ban/​filter.d/​dovecot.conf
-</​konsole>​ 
  
 ===== Links ===== ===== Links =====
 Fail2ban offical website --> [[http://​www.fail2ban.org]] Fail2ban offical website --> [[http://​www.fail2ban.org]]
/var/www/virtual/i-mscp.net/wiki/htdocs/data/pages/start/howto/fail2ban.txt · Last modified: 2016/09/17 15:12 by flames