Setup Ubuntu 16.04 for Highly Secure LAMP

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# LAMP setup for Ubuntu 16.04 Server                                                          #
# Apache + PHP + Percona                                                                  #
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# Update and prepare server
apt update; apt -y upgrade
apt -y install nano sudo curl wget git dnsutils lynx
sudo hostname srv.zdb.bz
sudo service hostname start

# Pimp your bash
cd /tmp
sudo git clone git://github.com/KittyKatt/screenFetch.git screenfetch
sudo cp screenfetch/screenfetch-dev /usr/bin/screenfetch
sudo chmod 755 /usr/bin/screenfetch
echo "if [ -f /usr/bin/screenfetch ]; then screenfetch; fi" >> ~/.bashrc
source .bashrc

# Setup webserver
sudo apt -y install apache2 libapache2-mod-php php php-mcrypt php-mysql php-common
sudo a2enmod rewrite

# Move index.php to beginning of line
sudo nano /etc/apache2/mods-enabled/dir.conf
<IfModule mod_dir.c>
DirectoryIndex index.php index.html index.cgi index.pl index.xhtml index.htm
</IfModule>

# Configure AWStats
sudo apt -y install awstats
temp=`grep -i sitedomain /etc/awstats/awstats.conf.local | wc -l`
echo SiteDomain="srv.zdb.bz" >> /etc/awstats/awstats.conf.local

# Disable Awstats from executing every 10 minutes. Put a hash in front of any line.
sed -i 's/^[^#]/#&/' /etc/cron.d/awstats

# Install database
apt -y install expect percona-server-server

# Setup virtual hosts
printf '%s\n' '<VirtualHost *:80>' 'ServerName twisted.cloud' 'ServerAlias www.twisted.cloud' 'DocumentRoot /var/www/twisted.cloud/public' 'ErrorLog /var/www/twisted.cloud/logs/error.log' 'CustomLog /var/www/twisted.cloud/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/twisted.cloud.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName zachbrowne.me' 'ServerAlias www.zachbrowne.me' 'DocumentRoot /var/www/zachbrowne.me/public' 'ErrorLog /var/www/zachbrowne.me/logs/error.log' 'CustomLog /var/www/zachbrowne.me/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/zachbrowne.me.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName zdb.bz' 'ServerAlias www.zdb.bz' 'DocumentRoot /var/www/zdb.bz/public' 'ErrorLog /var/www/zdb.bz/logs/error.log' 'CustomLog /var/www/zdb.bz/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/zdb.bz.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName crm.zdb.bz' 'DocumentRoot /var/www/crm.zdb.bz/public' 'ErrorLog /var/www/crm.zdb.bz/logs/error.log' 'CustomLog /var/www/crm.zdb.bz/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/crm.zdb.bz.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName dev.zdb.bz' 'DocumentRoot /var/www/dev.zdb.bz/public' 'ErrorLog /var/www/dev.zdb.bz/logs/error.log' 'CustomLog /var/www/dev.zdb.bz/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/dev.zdb.bz.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName default.systems' 'ServerAlias www.default.systems' 'DocumentRoot /var/www/default.systems/public' 'ErrorLog /var/www/default.systems/logs/error.log' 'CustomLog /var/www/default.systems/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/default.systems.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName zeekzealand.com' 'ServerAlias www.zeekzealand.com' 'DocumentRoot /var/www/zeekzealand.com/public' 'ErrorLog /var/www/zeekzealand.com/logs/error.log' 'CustomLog /var/www/zeekzealand.com/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/zeekzealand.com.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName zach.browne.consulting' 'DocumentRoot /var/www/zach.browne.consulting/public' 'ErrorLog /var/www/zach.browne.consulting/logs/error.log' 'CustomLog /var/www/zach.browne.consulting/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/zach.browne.consulting.conf
printf '%s\n' '<VirtualHost *:80>' 'ServerName zach.li' 'ServerAlias www.zach.li' 'DocumentRoot /var/www/zach.li/public' 'ErrorLog /var/www/zach.li/logs/error.log' 'CustomLog /var/www/zach.li/logs/requests.log combined' '</VirtualHost>' >/etc/apache2/sites-available/zach.li.conf

mkdir -p /var/www/{twisted.cloud,zachbrowne.me,zdb.bz,crm.zdb.bz,dev.zdb.bz,default.systems,zeekzealand.com,zach.browne.consulting,zach.li}/{public,logs}

ln -s /etc/apache2/sites-available/twisted.cloud.conf /etc/apache2/sites-enabled/twisted.cloud.conf
ln -s /etc/apache2/sites-available/zachbrowne.me.conf /etc/apache2/sites-enabled/zachbrowne.me.conf
ln -s /etc/apache2/sites-available/zdb.bz.conf /etc/apache2/sites-enabled/zdb.bz.conf
ln -s /etc/apache2/sites-available/crm.zdb.bz.conf /etc/apache2/sites-enabled/crm.zdb.bz.conf
ln -s /etc/apache2/sites-available/dev.zdb.bz.conf /etc/apache2/sites-enabled/dev.zdb.bz.conf
ln -s /etc/apache2/sites-available/default.systems.conf /etc/apache2/sites-enabled/default.systems.conf
ln -s /etc/apache2/sites-available/zeekzealand.com.conf /etc/apache2/sites-enabled/zeekzealand.com.conf
ln -s /etc/apache2/sites-available/zach.browne.consulting.conf /etc/apache2/sites-enabled/zach.browne.consulting.conf
ln -s /etc/apache2/sites-available/zach.li.conf /etc/apache2/sites-enabled/zach.li.conf 

# Fix permissions and ownership
sudo find /var/www/*/{public,logs} -type d -exec chmod 755 {} \;
sudo find /var/www/*/{public,logs} -type f -exec chmod 644 {} \; 
sudo chown -R www-data:www-data /var/www/*/{public,logs}

# Finally install extras
sudo apt -y install php-mcrypt libnet-libidn-perl php-all-dev php-curl php-dev php-all-dev php-gd php-gmp php-opcache php-memcached php-xsl php-imagick php-snmp php-xmlrpc php-mbstring php-ssh2 php-xml php-json

# Setup firewall
sudo apt -y install ufw
sudo ufw allow in "Apache Full"
sudo ufw allow in "OpenSSH"
sudo ufw enable

# Secure shared memory
sudo nano /etc/fstab
tmpfs     /run/shm     tmpfs     defaults,noexec,nosuid     0     0

# SSH Hardening - key based login, disable root login and change port
sudo nano /etc/ssh/sshd_config
Port <ENTER YOUR PORT>
Protocol 2
PermitRootLogin no
DebianBanner no
sudo service ssh restart

# Apache SSL Hardening - disable SSL v2/v3 support
sudo nano /etc/apache2/mods-available/ssl.conf
SSLProtocol all -SSLv2 -SSLv3
sudo service apache2 restart

# Protect su by limiting access only to admin group
sudo groupadd admin
sudo usermod -a -G admin <YOUR ADMIN USERNAME>
sudo dpkg-statoverride --update --add root admin 4750 /bin/su

# Harden network with sysctl settings
sudo nano /etc/sysctl.conf
# IP Spoofing protection
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1

# Ignore ICMP broadcast requests
net.ipv4.icmp_echo_ignore_broadcasts = 1

# Disable source packet routing
net.ipv4.conf.all.accept_source_route = 0
net.ipv6.conf.all.accept_source_route = 0 
net.ipv4.conf.default.accept_source_route = 0
net.ipv6.conf.default.accept_source_route = 0

# Ignore send redirects
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.send_redirects = 0

# Block SYN attacks
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_syn_backlog = 2048
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 5

# Log Martians
net.ipv4.conf.all.log_martians = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1

# Ignore ICMP redirects
net.ipv4.conf.all.accept_redirects = 0
net.ipv6.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0 
net.ipv6.conf.default.accept_redirects = 0

# Ignore Directed pings
net.ipv4.icmp_echo_ignore_all = 1

sudo sysctl -p

#  Disable Open DNS Recursion and Remove Version Info  - BIND DNS Server
sudo nano /etc/bind/named.conf.options
# Options
recursion no;
version "Not Disclosed";
sudo service bind9 restart

# Prevent IP spoofing
sudo nano /etc/host.conf
order bind,hosts
nospoof on

# PHP Hardening
sudo find / -name php.ini

disable_functions = exec,system,shell_exec,passthru
register_globals = Off
expose_php = Off
display_errors = Off
track_errors = Off
html_errors = Off
magic_quotes_gpc = Off
mail.add_x_header = Off
session.name = NEWSESSID
service apache2 restart

# Restrict Apache information leakage
sudo nano /etc/apache2/conf-available/security.conf
ServerTokens Prod
ServerSignature Off
TraceEnable Off
Header unset ETag
Header always unset X-Powered-By
FileETag None
sudo service apache2 restart

# Install ModSecurity on your server
sudo apt -y install libxml2 libxml2-dev libxml2-utils libaprutil1 libaprutil1-dev
sudo ln -s /usr/lib/x86_64-linux-gnu/libxml2.so.2 /usr/lib/libxml2.so.
sudo apt -y install libapache-mod-security
sudo mv /etc/modsecurity/modsecurity.conf-recommended /etc/modsecurity/modsecurity.conf
sudo nano /etc/modsecurity/modsecurity.conf
SecRuleEngine On
SecServerSignature FreeOSHTTP
SecRequestBodyLimit 16384000
SecRequestBodyInMemoryLimit 16384000
cd /tmp
sudo wget -O SpiderLabs-owasp-modsecurity-crs.tar.gz https://github.com/SpiderLabs/owasp-modsecurity-crs/tarball/master
sudo tar -zxvf SpiderLabs-owasp-modsecurity-crs.tar.gz
sudo cp -R SpiderLabs-owasp-modsecurity-crs-*/* /etc/modsecurity/
sudo rm SpiderLabs-owasp-modsecurity-crs.tar.gz
sudo rm -R SpiderLabs-owasp-modsecurity-crs-*
sudo mv /etc/modsecurity/modsecurity_crs_10_setup.conf.example /etc/modsecurity/modsecurity_crs_10_setup.conf
cd /etc/modsecurity/base_rules
for f in * ; do sudo ln -s /etc/modsecurity/base_rules/$f /etc/modsecurity/activated_rules/$f ; done
cd /etc/modsecurity/optional_rules
for f in * ; do sudo ln -s /etc/modsecurity/optional_rules/$f /etc/modsecurity/activated_rules/$f ; done 
sudo nano /etc/apache2/conf-available/mod-security.conf
Include "/etc/modsecurity/activated_rules/*.conf"
sudo a2enmod headers
sudo a2enconf mod-security
sudo service apache2 restart

# Install mod_evasive
sudo apt -y install libapache2-mod-evasive
sudo mkdir /var/log/mod_evasive
sudo chown www-data:www-data /var/log/mod_evasive/
sudo nano /etc/apache2/conf-available/mod-evasive.conf
<ifmodule mod_evasive20.c>
   DOSHashTableSize 3097
   DOSPageCount  2
   DOSSiteCount  50
   DOSPageInterval 1
   DOSSiteInterval  1
   DOSBlockingPeriod  10
   DOSLogDir   /var/log/mod_evasive
   DOSEmailNotify  EMAIL@DOMAIN.com
   DOSWhitelist   127.0.0.1
</ifmodule>
sudo ln -s /etc/alternatives/mail /bin/mail/
sudo a2enconf mod-evasive
sudo service apache2 restart

# Scan logs and ban suspicious hosts - DenyHosts and Fail2Ban
sudo apt -y install denyhosts fail2ban
sudo nano /etc/denyhosts.conf
ADMIN_EMAIL = root@localhost
SMTP_HOST = localhost
SMTP_PORT = 25
#SMTP_USERNAME=foo
#SMTP_PASSWORD=bar
SMTP_FROM = DenyHosts nobody@localhost
#SYSLOG_REPORT=YES 

sudo nano /etc/fail2ban/jail.conf
[sshd]

enabled  = true
port     = ssh
filter   = sshd
logpath  = /var/log/auth.log
maxretry = 3
destemail = zachbrowne@gmail.com
action = %(action_mwl)s
sudo service fail2ban restart

# Intrusion Detection - PSAD
sudo apt -y install psad
sudo nano /etc/psad/psad.conf
EMAIL_ADDRESSES
HOSTNAME
ENABLE_AUTO_IDS
ENABLE_AUTO_IDS_EMAILS
psad -R
psad --sig-update
psad -H

# Check for rootkits - RKHunter and CHKRootKit
sudo apt -y rkhunter chkrootkit
sudo chkrootkit
sudo rkhunter --update
sudo rkhunter --propupd
sudo rkhunter --check

# Scan Open Ports
sudo apt -y install nmap
nmap -v -sT localhost
sudo nmap -v -sS localhost

# Analyse system LOG files - LogWatch
sudo apt -y install logwatch libdate-manip-perl
sudo logwatch | less
sudo logwatch --mailto mail@domain.com --output mail --format html --range 'between -7 days and today' 

# SELinux - Apparmor
sudo apt -y install apparmor apparmor-profiles
sudo apparmor_status

# Audit your system security - Tiger and Tripwire
sudo apt -y install tiger tripwire
sudo tiger
sudo less /var/log/tiger/security.report.*