From 2fa8c5b3a7c3f262df076b7245e8536f7b164af1 Mon Sep 17 00:00:00 2001
From: Thuban <thuban@yeuxdelibad.net>
Date: Sat, 27 Apr 2019 07:15:40 +0000
Subject: [PATCH] add new dovecot rule
---
vilain.conf | 90 +++++++++++++++++++++++++++++++++++++++++----
1 files changed, 82 insertions(+), 8 deletions(-)
diff --git a/vilain.conf b/vilain.conf
index 8fe5ffb..4191d1d 100644
--- a/vilain.conf
+++ b/vilain.conf
@@ -1,24 +1,98 @@
[DEFAULT]
-# 24h + 5min
-# Time to keep banned a bad ip
-watch_while = 86700
-# Max tries before being bannes
+# Duration (in sec) to keep banned a bad ip, reduce value if too much memory consumption
+watch_while = 3602
+# Max tries before being banned
maxtries = 3
# pf table to keep bad IP.
# remember to clean the table with this command in a cron job :
-# pfctl -t vilain_bruteforce -T expire 86400
+# /sbin/pfctl -t vilain_bruteforce -T expire 86400
vilain_table = vilain_bruteforce
+
+# vilain log file
+vilain_log = /var/log/daemon
+
+# duration before each checks on the different log files
+sleeptime = 3.0
+
+### Ip ignored ###
+[ignoreip]
+ip1 = 127.0.0.1
### Guardians
#[name of the guardian]
#logfile = /file/to/watch
#regex = regex that return the bad guy IP
+#maxtries = 2 #facultative
-[ssh]
+[sshfail]
logfile = /var/log/authlog
regex = .* Failed .* from ([\S]+) .*
-[ssh2]
+[sshrootauth]
logfile = /var/log/authlog
-regex = .* Connection closed by ([\S]+) .*
+regex = .* Disconnected from authenticating user root ([\S]+) .*
+maxtries = 1
+[sshinvaliduser]
+logfile = /var/log/authlog
+regex = .* Invalid user \w+ from ([\S]+) .*
+maxtries = 1
+
+[sshroot]
+logfile = /var/log/authlog
+regex = .* Failed .* for root from ([\S]+) .*
+maxtries = 1
+
+[sshbadprotocol]
+logfile = /var/log/authlog
+regex = .*Bad protocol version identification .* from ([\S]+) .*
+
+#[http404]
+#logfile = /var/www/logs/access.log
+#regex = (?:\S+\s){1}(\S+).*\s404\s.*
+
+[http401]
+logfile = /var/www/logs/access.log
+regex = (?:\S+\s){1}(\S+).*\s401\s.*
+
+[http403]
+logfile = /var/www/logs/access.log
+regex = (?:\S+\s){1}(\S+).*\s403\s.*
+
+[smtp]
+logfile = /var/log/maillog
+regex = .* failed-command address=([\S]+) .* result=\"535 Authentication failed\"
+maxtries = 2
+
+[dovecot]
+logfile = /var/log/maillog
+regex = .*auth failed.*rip=([\S]+),.*
+maxtries = 2
+
+[dovecot2]
+logfile = /var/log/maillog
+regex = .*Disconnected \(no auth attempts in.*rip=([\S]+),.*
+maxtries = 2
+
+[wordpress]
+# don't use if you have wordpress
+logfile = /var/www/logs/access.log
+regex = (?:\S+\s){1}(\S+).*wp-login.php.*
+maxtries = 1
+
+# Nextcloud: login page
+# Nextcloud 12 brings protection against brute-force attacks
+# but 1/ not yet tested so far 2/ system protection is probably more efficient
+[nextcloud]
+logfile = /var/www/htdocs/datacloud/nextcloud.log
+regex = .*Bruteforce attempt from \\"(.*)\\" detected
+
+# Nextcloud: public shares protected by password
+# regex is compliant with NginX log format:
+# /etc/nginx/nginx.conf:
+# log_format main '$remote_addr - $remote_user [$time_local] "$request" '
+# '$status $body_bytes_sent "$http_referer" '
+# '"$http_user_agent" "$http_x_forwarded_for"';
+[nextcloud-share]
+logfile = /var/www/logs/access-nextcloud.log
+regex = (\d+\.\d+\.\d+\.\d+) \-.*POST /s/\w+/authenticate HTTP/1.1\" 200
--
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