Fail2Ban - Revision history

Vincent: add amd64 instructions

2016-10-25T10:41:45Z

add amd64 instructions

← Older revision		Revision as of 10:41, 25 October 2016
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	<syntaxhighlight lang="console">		<syntaxhighlight lang="console">
	# apt install fail2ban/stretch iptables-		# apt install fail2ban/stretch iptables-
			</syntaxhighlight>'''Note2:''' On systems with both 64bits and 32bits architectures enabled, you might need the following command to avoid installing iptables<syntaxhighlight lang="console">
			# apt install fail2ban iptables- iptables:i386-
	</syntaxhighlight>		</syntaxhighlight>

Vincent: Formatting

2016-03-30T14:29:46Z

Formatting

← Older revision		Revision as of 14:29, 30 March 2016
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	}		}
	}		}
	</syntaxhighlight>Then add line <code>include "/etc/nftables/fail2ban.conf"</code> in <code>/etc/nftables.conf</code>.		</syntaxhighlight>
			Then add line <code>include "/etc/nftables/fail2ban.conf"</code> in <code>/etc/nftables.conf</code>.

	Finally activate your rule in nftables<syntaxhighlight lang="console">		Finally activate your rule in nftables
			<syntaxhighlight lang="console">
	# nft -f /etc/nftables/fail2ban.conf		# nft -f /etc/nftables/fail2ban.conf
	</syntaxhighlight>		</syntaxhighlight>

Vincent: Fix install command

2016-03-30T09:49:26Z

Fix install command

← Older revision		Revision as of 09:49, 30 March 2016
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	== Installation ==		== Installation ==
	Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you from migration pain later. Make sure you [[Apt#sources.list\|configure stretch source]] before running the command bellow.
	<syntaxhighlight lang="console">		<syntaxhighlight lang="console">
	# apt install fail2ban/stretch		# apt install fail2ban iptables-
			</syntaxhighlight>'''Note:''' Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you from migration pain later. Make sure you [[Apt#sources.list\|configure stretch source]] before running the command bellow.
			<syntaxhighlight lang="console">
			# apt install fail2ban/stretch iptables-
	</syntaxhighlight>		</syntaxhighlight>

Vincent: Switch to nftables

2016-03-27T22:54:40Z

Switch to nftables

@@ Line 1: / Line 1: @@
 {{Debian}}
 Fail2ban is a program that parses logs and and block servers that try to abuse your system. While it doesn't replace a firewall, it's a good complement as it prevents people from trying thousands of password on your server.
 == Installation ==
@@ Line 13: / Line 16: @@
 <syntaxhighlight lang="console">
 # service fail2ban restart
 </syntaxhighlight>
@@ Line 27: / Line 64: @@
 # Default action. Will block user and send you an email with whois content and log lines.
 action    = %(action_mwl)s
 </syntaxhighlight>
@@ Line 45: / Line 86: @@
 enabled   = true
 logpath   = /var/log/fail2ban.log
-banaction = iptables-allports
+banaction = nftables-allports
 bantime   = 86400 ; 1 day
 findtime  = 86400 ; 1 day
 maxretry  = 3
-protocol  = all
+protocol  = 0-255
 </syntaxhighlight>

Vincent: Category:Linux Server

2016-03-11T06:44:02Z

Category:Linux Server

← Older revision		Revision as of 06:44, 11 March 2016
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	=== Other rules ===		=== Other rules ===
	Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]].		Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]].
	[[Category:~~Install~~]]		[[Category:Linux Server]]
	[[Category:Fail2Ban]]		[[Category:Fail2Ban]]
	[[Category:Debian Release]]		[[Category:Debian Release]]

Vincent: add small precisions

2016-03-06T14:06:14Z

add small precisions

← Older revision		Revision as of 14:06, 6 March 2016
Line 1:		Line 1:
	{{Debian}}Fail2ban is a program that parses logs and and block servers that try to abuse your system. While it doesn't replace a firewall, it's a good complement as it prevents people from trying thousands of password on your server.		{{Debian}}
			Fail2ban is a program that parses logs and and block servers that try to abuse your system. While it doesn't replace a firewall, it's a good complement as it prevents people from trying thousands of password on your server.

	== Installation ==		== Installation ==
	Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you migration pain later.<syntaxhighlight lang="console">		Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you from migration pain later. Make sure you [[Apt#sources.list\|configure stretch source]] before running the command bellow.
			<syntaxhighlight lang="console">
	# apt install fail2ban/stretch		# apt install fail2ban/stretch
	</syntaxhighlight>		</syntaxhighlight>

	== Configuration ==		== Configuration ==

			After you change configuration, or add a new jail, don't forget to restart fail2ban
			<syntaxhighlight lang="console">
			# service fail2ban restart
			</syntaxhighlight>

	=== Defaults ===		=== Defaults ===
	Create file <code>/etc/fail2ban/jail.local</code><syntaxhighlight lang="ini">		Create file <code>/etc/fail2ban/jail.local</code>
			<syntaxhighlight lang="ini">
	[DEFAULT]		[DEFAULT]
	# Destination email for action that send you an email		# Destination email for action that send you an email
Line 22:		Line 30:

	=== Recidive ===		=== Recidive ===
			The recidive rule ban users for a longer period if they have been banned multiple time in a row.

			Create file <code>/etc/fail2ban/jail.d/recidive.conf</code>
	<syntaxhighlight lang="ini">		<syntaxhighlight lang="ini">
	# Jail for more extended banning of persistent abusers		# Jail for more extended banning of persistent abusers
Line 35:		Line 46:
	logpath = /var/log/fail2ban.log		logpath = /var/log/fail2ban.log
	banaction = iptables-allports		banaction = iptables-allports
	bantime = 86400 ; 1 day~~. If you~~		bantime = 86400 ; 1 day
	findtime = 86400 ; 1 day		findtime = 86400 ; 1 day
	maxretry = 3		maxretry = 3
Line 42:		Line 53:

	=== Other rules ===		=== Other rules ===
	Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]]. [[Category:Install]]		Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]].
			[[Category:Install]]
	[[Category:Fail2Ban]]		[[Category:Fail2Ban]]
	[[Category:Debian Release]]		[[Category:Debian Release]]

Vincent: Category:Debian Release

2016-03-05T19:37:47Z

Category:Debian Release

← Older revision		Revision as of 19:37, 5 March 2016
Line 44:		Line 44:
	Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]]. [[Category:Install]]		Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]]. [[Category:Install]]
	[[Category:Fail2Ban]]		[[Category:Fail2Ban]]
			[[Category:Debian Release]]

Vincent: Intro

2016-01-03T18:15:51Z

Intro

← Older revision		Revision as of 18:15, 3 January 2016
Line 1:		Line 1:
			{{Debian}}Fail2ban is a program that parses logs and and block servers that try to abuse your system. While it doesn't replace a firewall, it's a good complement as it prevents people from trying thousands of password on your server.

			== Installation ==
	Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you migration pain later.<syntaxhighlight lang="console">		Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you migration pain later.<syntaxhighlight lang="console">
	# apt install fail2ban/stretch		# apt install fail2ban/stretch

Vincent: Link to category page

2016-01-03T18:05:56Z

Link to category page

← Older revision		Revision as of 18:05, 3 January 2016
Line 38:		Line 38:
	</syntaxhighlight>		</syntaxhighlight>

	[[Category:Install]]		=== Other rules ===
			Rules specific to one program are documented on the program page. You can see the list on the [[:Category:Fail2Ban\|fail2ban category page]]. [[Category:Install]]
	[[Category:Fail2Ban]]		[[Category:Fail2Ban]]

Vincent: Add configuration

2016-01-03T15:57:25Z

Add configuration

@@ Line 1: / Line 1: @@
-<syntaxhighlight lang="console">
+Debian Stretch (currently in testing) contain a much nicer version of fail2ban than Jessie (current stable). Configuration has been simplified a lot between the two releases and installing the version from stretch will save you migration pain later.<syntaxhighlight lang="console">
-# apt install fail2ban
+# apt install fail2ban/stretch
 </syntaxhighlight>
 [[Category:Install]]