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сервис_fail2ban [2021/02/23 15:55] val [Блокировка через iptables] |
сервис_fail2ban [2022/12/05 07:20] val [Настройка] |
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Line 8: | Line 8: | ||
<code> | <code> | ||
+ | debian11# apt install iptables | ||
+ | |||
# apt install fail2ban | # apt install fail2ban | ||
</code> | </code> | ||
Line 32: | Line 34: | ||
enabled = true | enabled = true | ||
maxretry = 3 | maxretry = 3 | ||
+ | #bantime = 30d | ||
+ | #action = iptables-allports[blocktype=DROP] | ||
+ | #action = route[blocktype=blackhole] | ||
</code> | </code> | ||
Line 54: | Line 59: | ||
===== Интеграция fail2ban и cisco log ===== | ===== Интеграция fail2ban и cisco log ===== | ||
+ | |||
+ | * Резервное копирование конфигурации | ||
+ | |||
<code> | <code> | ||
# cat /etc/fail2ban/jail.d/cisco-change-config.conf | # cat /etc/fail2ban/jail.d/cisco-change-config.conf | ||
Line 78: | Line 86: | ||
cd /srv/tftp/ | cd /srv/tftp/ | ||
/usr/bin/git add * | /usr/bin/git add * | ||
- | /usr/bin/git status | grep 'modified\|deleted\|new file' | /usr/bin/git commit -a -F - | + | /usr/bin/git --no-optional-locks status | grep 'modified\|deleted\|new file' | /usr/bin/git commit -a -F - |
</code> | </code> | ||
===== Интеграция fail2ban и snort ===== | ===== Интеграция fail2ban и snort ===== | ||
Line 91: | Line 99: | ||
bantime = 300 | bantime = 300 | ||
filter = snort_filter | filter = snort_filter | ||
- | maxretry = 1 | + | maxretry = 3 |
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 150: | Line 159: | ||
<code> | <code> | ||
+ | server# rsh router show access-lists | ||
+ | </code><code> | ||
# cat /root/cisco-acl-deny.sh | # cat /root/cisco-acl-deny.sh | ||
</code><code> | </code><code> | ||
Line 169: | Line 180: | ||
permit udp any any | permit udp any any | ||
permit tcp any any established | permit tcp any any established | ||
- | deny ip any any log | + | deny ip any any ! log |
end | end | ||
</code><code> | </code><code> | ||
Line 193: | Line 204: | ||
actionban = /root/cisco-change-firewall.sh | actionban = /root/cisco-change-firewall.sh | ||
- | # f2b bug | + | actionunban = /root/cisco-change-firewall.sh |
- | actionunban = echo /root/cisco-change-firewall.sh | at now + 1 min | + | # if atack from DNS) |
+ | #actionunban = echo /root/cisco-change-firewall.sh | at now + 1 min | ||
</code> | </code> | ||