vm/static/security.sh
2016-12-31 18:24:17 +01:00

80 lines
1.9 KiB
Bash

#!/bin/bash
# Tech and Me, ©2017 - www.techandme.se
# Based on: http://www.techrepublic.com/blog/smb-technologist/secure-your-apache-server-from-ddos-slowloris-and-dns-injection-attacks/
SPAMHAUS=/etc/spamhaus.wl
ENVASIVE=/etc/apache2/mods-available/mod-evasive.load
APACHE2=/etc/apache2/apache2.conf
set -e
# Protect against DDOS
apt -y install libapache2-mod-evasive
mkdir -p /var/log/apache2/evasive
chown -R www-data:root /var/log/apache2/evasive
if [ -f $ENVASIVE ]
then
echo "Envasive mod exists"
else
touch $ENVASIVE
cat << ENVASIVE > "$ENVASIVE"
DOSHashTableSize 2048
DOSPageCount 20 # maximum number of requests for the same page
DOSSiteCount 300 # total number of requests for any object by the same client IP on the same listener
DOSPageInterval 1.0 # interval for the page count threshold
DOSSiteInterval 1.0 # interval for the site count threshold
DOSBlockingPeriod 10.0 # time that a client IP will be blocked for
DOSLogDir
ENVASIVE
fi
# Protect against Slowloris
apt -y install libapache2-mod-qos
# Protect against DNS Injection
apt -y install libapache2-mod-spamhaus
if [ -f $SPAMHAUS ]
then
echo "Spamhaus mod exists"
else
touch $SPAMHAUS
cat << SPAMHAUS >> "$APACHE2"
# Spamhaus module
<IfModule mod_spamhaus.c>
MS_METHODS POST,PUT,OPTIONS,CONNECT
MS_WhiteList /etc/spamhaus.wl
MS_CacheSize 256
</IfModule>
SPAMHAUS
fi
if [ -f $SPAMHAUS ]
then
echo "Adding Whitelist IP-ranges..."
cat << SPAMHAUSconf >> "$SPAMHAUS"
# Whitelisted IP-ranges
192.168.0.0/16
172.16.0.0/12
10.0.0.0/8
SPAMHAUSconf
else
echo "No file exists, so not adding anything to whitelist"
fi
# Enable $SPAMHAUS
sed -i "s|#MS_WhiteList /etc/spamhaus.wl|MS_WhiteList $SPAMHAUS|g" /etc/apache2/mods-enabled/spamhaus.conf
service apache2 restart
if [[ $? > 0 ]]
then
echo "Something went wrong..."
sleep 5
exit 1
else
echo "Security added!"
fi