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сервис_fail2ban
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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сервис_fail2ban [2020/07/22 20:20] val |
сервис_fail2ban [2021/02/23 15:56] val [Интеграция fail2ban и snort] |
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| * [[https://thefragens.com/2010/11/checking-fail2ban-regex/|Checking Fail2ban regex]] | * [[https://thefragens.com/2010/11/checking-fail2ban-regex/|Checking Fail2ban regex]] | ||
| + | * [[https://forum.yunohost.org/t/fail2ban-high-cpu-usage/2439|Fail2ban high CPU usage]] | ||
| ===== Установка ===== | ===== Установка ===== | ||
| Line 16: | Line 17: | ||
| # ls /etc/fail2ban/jail.d/ | # ls /etc/fail2ban/jail.d/ | ||
| + | |||
| + | # cat /etc/fail2ban/jail.d/defaults-debian.conf | ||
| # cat /etc/fail2ban/filter.d/sshd.conf | # cat /etc/fail2ban/filter.d/sshd.conf | ||
| Line 64: | Line 67: | ||
| # cat /etc/fail2ban/filter.d/cisco-change-config.conf | # cat /etc/fail2ban/filter.d/cisco-change-config.conf | ||
| </code><code> | </code><code> | ||
| - | [INCLUDES] | ||
| - | |||
| [Definition] | [Definition] | ||
| Line 92: | Line 93: | ||
| maxretry = 1 | maxretry = 1 | ||
| logpath = /var/log/auth.log | logpath = /var/log/auth.log | ||
| + | #action = mail-admin | ||
| #action = iptables-allports-forward | #action = iptables-allports-forward | ||
| #action = cisco-acl | #action = cisco-acl | ||
| Line 97: | Line 99: | ||
| # cat /etc/fail2ban/filter.d/snort_filter.conf | # cat /etc/fail2ban/filter.d/snort_filter.conf | ||
| </code><code> | </code><code> | ||
| - | [INCLUDES] | ||
| - | |||
| [Definition] | [Definition] | ||
| failregex = .*snort.*Priority: 1.*} <HOST>.* | failregex = .*snort.*Priority: 1.*} <HOST>.* | ||
| # .*snort.*Priority: 2.*} <HOST>.* | # .*snort.*Priority: 2.*} <HOST>.* | ||
| + | </code> | ||
| + | |||
| + | ==== Уведомление по email ==== | ||
| + | <code> | ||
| + | # cat /etc/fail2ban/action.d/mail-admin.conf | ||
| + | </code><code> | ||
| + | [Definition] | ||
| + | |||
| + | actionban = printf %%b "Hi,\n | ||
| + | Ban this <ip> | ||
| + | Regards,\n | ||
| + | Fail2Ban"|mail -s "[Fail2Ban] Ban <name> <ip>" <dest> | ||
| + | |||
| + | actionunban = printf %%b "Hi,\n | ||
| + | Unban this <ip> | ||
| + | Regards,\n | ||
| + | Fail2Ban"|mail -s "[Fail2Ban] Unban <name> <ip>" <dest> | ||
| + | |||
| + | [Init] | ||
| + | |||
| + | name = mail-admin | ||
| - | ignoreregex = | + | dest = student |
| </code> | </code> | ||
| Line 173: | Line 194: | ||
| actionban = /root/cisco-change-firewall.sh | actionban = /root/cisco-change-firewall.sh | ||
| - | actionunban = /root/cisco-change-firewall.sh | + | # f2b bug |
| + | actionunban = echo /root/cisco-change-firewall.sh | at now + 1 min | ||
| </code> | </code> | ||
сервис_fail2ban.txt · Last modified: 2024/06/23 16:45 by val
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