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MISP/INSTALL/xINSTALL.centos7.txt

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INSTALLATION INSTRUCTIONS
------------------------- for CentOS 7.x
1/ Minimal CentOS install
-------------------------
Install a minimal CentOS 7.x system with the software:
- OpenSSH server
- LAMP server (actually, this is done below)
- Mail server
# Make sure you set your hostname CORRECTLY vs. like an animal (manually in /etc/hostname)
hostnamectl set-hostname misp # or whatever you want it to be
# Make sure your system is up2date:
yum update
2/ Dependencies *
----------------
Once the system is installed you can perform the following steps as root:
# We need some packages from the Extra Packages for Enterprise Linux repository
yum install epel-release
# Since MISP 2.4 PHP 5.5 is a minimal requirement, so we need a newer version than CentOS base provides
# Software Collections is a way do to this, see https://wiki.centos.org/AdditionalResources/Repositories/SCL
yum install centos-release-scl
# Install the dependencies:
yum install gcc git httpd zip redis mariadb mariadb-server python-devel python-pip libxslt-devel zlib-devel
# Install PHP 5.6 from SCL, see https://www.softwarecollections.org/en/scls/rhscl/rh-php56/
yum install rh-php56 rh-php56-php-fpm rh-php56-php-devel rh-php56-php-mysqlnd rh-php56-php-mbstring rh-php56-php-bcmath
# rh-php56-php only provided mod_php for httpd24-httpd from SCL
# if we want to use httpd from CentOS base we can use rh-php56-php-fpm instead
systemctl enable rh-php56-php-fpm.service
systemctl start rh-php56-php-fpm.service
# Start a new shell with rh-php56 enabled
scl enable rh-php56 bash
pear channel-update pear.php.net
pear install Crypt_GPG # we need version >1.3.0
NOTE: if using rh-php56 the command needs to be run through its terminal: /usr/bin/scl enable rh-php56 "pear list | grep Crypt_GPG"
# GPG needs lots of entropy, haveged provides entropy
yum install haveged
systemctl enable haveged.service
systemctl start haveged.service
# Enable and start redis
systemctl enable redis.service
systemctl start redis.service
3/ MISP code
------------
# Download MISP using git in the /var/www/ directory.
cd /var/www/
git clone https://github.com/MISP/MISP.git
cd /var/www/MISP
git checkout tags/$(git describe --tags `git rev-list --tags --max-count=1`)
# if the last shortcut doesn't work, specify the latest version manually
# example: git checkout tags/v2.4.XY
# the message regarding a "detached HEAD state" is expected behaviour
# (you only have to create a new branch, if you want to change stuff and do a pull request for example)
# Make git ignore filesystem permission differences
git config core.filemode false
# install Mitre's STIX and its dependencies by running the following commands:
pip install importlib
yum install python-lxml python-dateutil python-six
cd /var/www/MISP/app/files/scripts
git clone https://github.com/CybOXProject/python-cybox.git
git clone https://github.com/STIXProject/python-stix.git
cd /var/www/MISP/app/files/scripts/python-cybox
git checkout v2.1.0.12
git config core.filemode false
# If you umask is has been changed from the default, it is a good idea to reset it to 0022 before installing python modules
UMASK=$(umask)
umask 0022
python setup.py install
cd /var/www/MISP/app/files/scripts/python-stix
git checkout v1.1.1.4
git config core.filemode false
python setup.py install
umask $UMASK
4/ CakePHP
-----------
# CakePHP is now included as a submodule of MISP, execute the following commands to let git fetch it
# ignore this message:
# No submodule mapping found in .gitmodules for path 'app/Plugin/CakeResque'
cd /var/www/MISP
git submodule init
git submodule update
# Once done, install CakeResque along with its dependencies if you intend to use the built in background jobs:
cd /var/www/MISP/app
curl -s https://getcomposer.org/installer | php
php composer.phar require kamisama/cake-resque:4.1.2
php composer.phar config vendor-dir Vendor
php composer.phar install
# CakeResque normally uses phpredis to connect to redis, but it has a (buggy) fallback connector through Redisent. It is highly advised to install phpredis using "yum install php-redis"
pecl install redis-2.2.8
echo "extension=redis.so" > /etc/opt/rh/rh-php56/php-fpm.d/redis.ini
ln -s ../php-fpm.d/redis.ini /etc/opt/rh/rh-php56/php.d/99-redis.ini
systemctl restart rh-php56-php-fpm.service
Note: if using rh-php56 redis needs to be installed through its terminal: /usr/bin/scl enable rh-php56 "pecl install redis-2.2.8"
# If you have not yet set a timezone in php.ini
echo 'date.timezone = "Europe/Amsterdam"' > /etc/opt/rh/rh-php56/php-fpm.d/timezone.ini
ln -s ../php-fpm.d/timezone.ini /etc/opt/rh/rh-php56/php.d/99-timezone.ini
# To use the scheduler worker for scheduled tasks, do the following:
cp -fa /var/www/MISP/INSTALL/setup/config.php /var/www/MISP/app/Plugin/CakeResque/Config/config.php
5/ Set the permissions
----------------------
# Make sure the permissions are set correctly using the following commands as root:
chown -R root:apache /var/www/MISP
find /var/www/MISP -type d -exec chmod g=rx {} \;
chmod -R g+r,o= /var/www/MISP
chown apache:apache /var/www/MISP/app/files
chown apache:apache /var/www/MISP/app/files/terms
chown apache:apache /var/www/MISP/app/files/scripts/tmp
chown apache:apache /var/www/MISP/app/Plugin/CakeResque/tmp
chown -R apache:apache /var/www/MISP/app/tmp
chown -R apache:apache /var/www/MISP/app/webroot/img/orgs
chown -R apache:apache /var/www/MISP/app/webroot/img/custom
6/ Create a database and user
-----------------------------
# Enable, start and secure your mysql database server
systemctl enable mariadb.service
systemctl start mariadb.service
mysql_secure_installation
# Additionally, it is probably a good idea to make the database server listen on localhost only
echo [mysqld] > /etc/my.cnf.d/bind-address.cnf
echo bind-address=127.0.0.1 >> /etc/my.cnf.d/bind-address.cnf
systemctl restart mariadb.service
# Enter the mysql shell
mysql -u root -p
MariaDB [(none)]> create database misp;
MariaDB [(none)]> grant usage on *.* to misp@localhost identified by 'XXXXXXXXX';
MariaDB [(none)]> grant all privileges on misp.* to misp@localhost ;
MariaDB [(none)]> exit
cd /var/www/MISP
# Import the empty MySQL database from MYSQL.sql
mysql -u misp -p misp < INSTALL/MYSQL.sql
7/ Apache configuration
-----------------------
# Now configure your apache server with the DocumentRoot /var/www/MISP/app/webroot/
# A sample vhost can be found in /var/www/MISP/INSTALL/apache.misp.centos7
cp /var/www/MISP/INSTALL/apache.misp.centos7 /etc/httpd/conf.d/misp.conf
# Since SELinux is enabled, we need to allow httpd to write to certain directories
chcon -t httpd_sys_rw_content_t /var/www/MISP/app/files
chcon -t httpd_sys_rw_content_t /var/www/MISP/app/files/terms
chcon -t httpd_sys_rw_content_t /var/www/MISP/app/files/scripts/tmp
chcon -t httpd_sys_rw_content_t /var/www/MISP/app/Plugin/CakeResque/tmp
chcon -R -t httpd_sys_rw_content_t /var/www/MISP/app/tmp
chcon -R -t httpd_sys_rw_content_t /var/www/MISP/app/webroot/img/orgs
chcon -R -t httpd_sys_rw_content_t /var/www/MISP/app/webroot/img/custom
# Allow httpd to connect to the redis server and php-fpm over tcp/ip
setsebool -P httpd_can_network_connect on
# Enable and start the httpd service
systemctl enable httpd.service
systemctl start httpd.service
# Open a hole in the iptables firewall
firewall-cmd --zone=public --add-port=80/tcp --permanent
firewall-cmd --reload
# We seriously recommend using only HTTPS / SSL !
# Add SSL support by running: yum install mod_ssl
# Check out the apache.misp.ssl file for an example
8/ MISP configuration
---------------------
# There are 4 sample configuration files in /var/www/MISP/app/Config that need to be copied
cd /var/www/MISP/app/Config
cp -a bootstrap.default.php bootstrap.php
cp -a database.default.php database.php
cp -a core.default.php core.php
cp -a config.default.php config.php
# Configure the fields in the newly created files:
# config.php : baseurl (example: 'baseurl' => 'http://misp',) - don't use "localhost" it causes issues when browsing externally
# core.php : Uncomment and set the timezone: `// date_default_timezone_set('UTC');`
# database.php : login, port, password, database
# Important! Change the salt key in /var/www/MISP/app/Config/config.php
# The admin user account will be generated on the first login, make sure that the salt is changed before you create that user
# If you forget to do this step, and you are still dealing with a fresh installation, just alter the salt,
# delete the user from mysql and log in again using the default admin credentials (admin@admin.test / admin)
# If you want to be able to change configuration parameters from the webinterface:
chown apache:apache /var/www/MISP/app/Config/config.php
chcon -t httpd_sys_rw_content_t /var/www/MISP/app/Config/config.php
# Generate a GPG encryption key.
# If the following command gives an error message, try it as root from the console
gpg --gen-key
mv ~/.gnupg /var/www/MISP/
chown -R apache:apache /var/www/MISP/.gnupg
# The email address should match the one set in the config.php configuration file
# Make sure that you use the same settings in the MISP Server Settings tool (Described on line 246)
# And export the public key to the webroot
sudo -u apache gpg --homedir /var/www/MISP/.gnupg --export --armor YOUR-EMAIL > /var/www/MISP/app/webroot/gpg.asc
# Start the workers to enable background jobs
chmod +x /var/www/MISP/app/Console/worker/start.sh
su -s /bin/bash apache -c 'scl enable rh-php56 /var/www/MISP/app/Console/worker/start.sh'
# To make the background workers start on boot
vi /etc/rc.local
# Add the following line at the end
su -s /bin/bash apache -c 'scl enable rh-php56 /var/www/MISP/app/Console/worker/start.sh'
# and make sure it will execute
chmod +x /etc/rc.local
# Now log in using the webinterface: http://misp/users/login
# The default user/pass = admin@admin.test/admin
# Using the server settings tool in the admin interface (Administration -> Server Settings), set MISP up to your preference
# It is especially vital that no critical issues remain!
Don't forget to change the email, password and authentication key after installation.
# Once done, have a look at the diagnostics
# If any of the directories that MISP uses to store files is not writeable to the apache user, change the permissions
# you can do this by running the following commands:
chmod -R 750 /var/www/MISP/<directory path with an indicated issue>
chown -R apache:apache /var/www/MISP/<directory path with an indicated issue>
# Make sure that the STIX libraries and GnuPG work as intended, if not, refer to INSTALL.txt's paragraphs dealing with these two items
# If anything goes wrong, make sure that you check MISP's logs for errors:
# /var/www/MISP/app/tmp/logs/error.log
# /var/www/MISP/app/tmp/logs/resque-worker-error.log
# /var/www/MISP/app/tmp/logs/resque-scheduler-error.log
# /var/www/MISP/app/tmp/logs/resque-2015-01-01.log //where the actual date is the current date
Recommended actions
-------------------
- By default CakePHP exposes his name and version in email headers. Apply a patch to remove this behavior.
- You should really harden your OS
- You should really harden the configuration of Apache
- You should really harden the configuration of MySQL
- Keep your software up2date (MISP, CakePHP and everything else)
- Log and audit
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