mirror of https://github.com/fail2ban/fail2ban
85 lines
2.5 KiB
Plaintext
85 lines
2.5 KiB
Plaintext
# Fail2Ban configuration file
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#
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# Mikrotik routerOS action to add/remove address-list entries
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#
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# Author: Duncan Bellamy <dunk@denkimushi.com>
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# based on forum.mikrotik.com post by pakjebakmeel
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#
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# in the instructions:
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# (10.0.0.1 is ip of mikrotik router)
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# (10.0.0.2 is ip of fail2ban machine)
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#
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# on fail2ban machine:
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# sudo mkdir /var/lib/fail2ban/ssh
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# sudo chmod 700 /var/lib/fail2ban/ssh
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# sudo ssh-keygen -N "" -f /var/lib/fail2ban/ssh/fail2ban_id_rsa
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# sudo scp /var/lib/fail2ban/ssh/fail2ban_id_rsa.pub admin@10.0.0.1:/
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# ssh admin@10.0.0.1
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#
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# on mikrotik router:
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# /user add name=miki-f2b group=write address=10.0.0.2 password=""
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# /user ssh-keys import public-key-file=fail2ban_id_rsa.pub user=miki-f2b
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# /quit
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#
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# on fail2ban machine:
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# (check password login fails)
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# ssh miki-f2b@10.0.0.1
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# (check private key works)
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# sudo ssh -i /var/lib/fail2ban/ssh/fail2ban_id_rsa miki-f2b@10.0.0.1
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#
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# Then create rules on mikrorik router that use address
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# list(s) maintained by fail2ban eg in the forward chain
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# drop from address list, or in the forward chain drop
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# from address list to server
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#
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# example extract from jail.local overriding some defaults
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# action = mikrotik[keyfile="%(mkeyfile)s", user="%(muser)s", host="%(mhost)s", list="%(mlist)s"]
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#
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# ignoreip = 127.0.0.1/8 192.168.0.0/24
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# mkeyfile = /etc/fail2ban/ssh/mykey_id_rsa
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# muser = myuser
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# mhost = 192.168.0.1
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# mlist = BAD LIST
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[Definition]
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actionstart =
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actionstop = %(actionflush)s
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actionflush = %(command)s "/ip firewall address-list remove [find list=\"%(list)s\" comment~\"%(startcomment)s-*\"]"
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actioncheck =
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actionban = %(command)s "/ip firewall address-list add list=\"%(list)s\" address=<ip> comment=%(comment)s"
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actionunban = %(command)s "/ip firewall address-list remove [find list=\"%(list)s\" comment=%(comment)s]"
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command = ssh -l %(user)s -p%(port)s -i %(keyfile)s %(host)s
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# Option: user
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# Notes.: username to use when connecting to routerOS
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user =
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# Option: port
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# Notes.: port to use when connecting to routerOS
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port = 22
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# Option: keyfile
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# Notes.: ssh private key to use for connecting to routerOS
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keyfile =
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# Option: host
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# Notes.: hostname or ip of router
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host =
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# Option: list
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# Notes.: name of "address-list" to use on router
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list = Fail2Ban
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# Option: startcomment
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# Notes.: used as a prefix to all comments, and used to match for flushing rules
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startcomment = f2b-<name>
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# Option: comment
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# Notes.: comment to use on routerOS (must be unique as used for ip address removal)
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comment = %(startcomment)s-<ip>
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[Init]
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name="%(__name__)s"
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