URL : http://www.bsdguides.org/guides/freebsd/webserver/apache_ssl_php_mysql.php
Apache+SSL, PHP, and MySQL
Updated: 10/10/2004
General Information
I'm sure many of you have been wondering how people host secure sites using Secure Sockets Layer (SSL). This guide will show you how to set up a web server with SSL, PHP, and MySQL support.
Requirements
In order for public access to your website, you must have a valid domain name.
A text editor (for this guide we will use Nano)
Installation
Section A -- Apache+mod_ssl
First thing we need to do is install the Apache web server. Currently there are two main versions available: 1.3.x and 2.0.x. I will be teaching from the 1.3x branch, but many of the steps are the same for 2.0.x. I will also make notes for those of you who choose to use the 2.0.x branch.
#
# cd /usr/ports/www/apache13-modssl
make install distclean
The default install will automagically start apache and we need to shutdown the server to continue.
# /usr/local/sbin/apachectl stop
** Apache2 users: You only need to install the apache2 port, but then you have to manually create the directories for the SSL Certificate and Key.
#
#
#
#
#
# cd /usr/ports/www/apache2
make install distclean
mkdir /usr/local/etc/apache2/ssl.key
mkdir /usr/local/etc/apache2/ssl.crt
chmod 0700 /usr/local/etc/apache2/ssl.key
chmod 0700 /usr/local/etc/apache2/ssl.crt
Section B -- MySQL
#
# cd /usr/ports/databases/mysql40-server
make install WITH_OPENSSL=yes distclean
Take a break while it downloads, compiles, and installs. It'll take about 45 minutes on a K6-2 350MHz.
Section C -- PHP
#
#
#
#
cd /usr/ports/www/mod_php4
make install distclean
cd /usr/ports/lang/php4-extensions
make install distclean
Now, when you get to the PHP configuration screen, you just need to check the OpenSSL box and leave the rest of the default values alone, unless you plan on installing other applications, such as the IMP Webmail, that require other PHP modules. Time to take another break.
PHP should be installed by now. At the end of the installation, you will need to edit Apache's configuration file to add two lines after all the "LoadModule" lines for PHP support.
# nano -w /usr/local/etc/apache/httpd.conf
AddType application/x-httpd-php .php
AddType application/x-httpd-php-source .phps
Configuration
Section A -- Create Certificate
It is now time to create your own certificate using the openssl utility. Now, you need to understand that one server can hold multiple certificates, but only one per listening IP address. So, if your server is listening on one IP address, you can only have one certificate for the server. All of your virtual domains can share the same certificate, but clients will get warning prompts when they connect to a secure site where the certificate does not match the domain name. If your server is listening on multiple IP addresses, your virtual hosts have to be IP-based -- not name-based. This is something to consider when creating your certificate.
Change to any directory you would like to save your certficate in. I chose root's home directory. We will then copy the necessary files to the correct directory later. This way we have a back up in case something happens.
#
# cd ~
You will be prompted to enter a password for this key. Remember it because we will need it later. Now we need to make a Certificate Signing Request (CSR) from the key we just generated.
#
Enter your password you had used as this is where you get to enter all the fun information about the certificate, like your name and Fully Qualified Domain Name (FQDN). Make sure you enter your FQDN for the "Common Name" portion. For example, if the certificate is for https://webmail.domain.tld/, then your CommonName should be webmail.domain.tld.
Alright, your certificate is ready to be signed. The following steps are to self-sign the certificate, but you could pay money and have it signed by Verisign or Thawte.
# openssl x509 -req -days 365 -in /root/server.csr -signkey /root/server.key -out /root/server.crt
Ok, your certificate is signed and valid for 365 days, which you could have changed if you wanted. We now need to copy the files to the appropriate directory for Apache to use them.
#
# cp ~/server.key /usr/local/etc/apache/ssl.key/
cp ~/server.crt /usr/local/etc/apache/ssl.crt/
If you want to read more about SSL Certificates, you can read the FAQs at http://httpd.apache.org/docs-2.0/ssl/ssl_faq.html#aboutcerts.
** Apache2 users: The correct permissions must be set.
#
# chmod 0400 /usr/local/etc/apache2/ssl.key/server.key
chmod 0400 /usr/local/etc/apache2/ssl.crt/server.crt
Section B -- Configure VirtualHosts
VirtualHosts are neat because they allow you to host many domains on the same server and the same IP address. For this example, we will make three VirtualHost entries -- one for http and two for https (SSL).
This section will be modifying /usr/local/etc/apache/httpd.conf so you can pull that up in your favorite editor now. The normal VirtualHosts can be placed at the beginning of the file for easy access and should be set up like this:
ServerName domain.tld
NameVirtualHost 192.168.0.2:80
ServerName domain.tld
ServerAlias www.domain.tld
ServerAdmin admin@domain.tld
DocumentRoot /path/to/website/files
Now at the bottom of httpd.conf, you should see a whole bunch of lines relating to SSL. Insert the following line just before the default VirtualHost for SSL like this:
NameVirtualHost 192.168.0.2:443
NameVirtualHost tells Apache that there are several virtual hosts under the same IP. So, at the bottom of httpd.conf you will want to put your VirtualHosts just before .
ServerName domain.tld
ServerAlias www.domain.tld
ServerAdmin admin@domain.tld
DocumentRoot /path/to/website/files
SSLEngine on
SSLCertificateFile /usr/local/etc/apache/ssl.crt/server.crt
SSLCertificateKeyFile /usr/local/etc/apache/ssl.key/server.key
Now, if you had a server listening on another IP address, you could set up another certificate for that IP address to use. Then, your second VirtualHost could look like this:
ServerName domain2.tld
ServerAlias www.domain2.tld
ServerAdmin admin@domain2.tld
DocumentRoot /path/to/website/files
SSLEngine on
SSLCertificateFile /usr/local/etc/apache/ssl.crt/server2.crt
SSLCertificateKeyFile /usr/local/etc/apache/ssl.key/server2.key
If you notice, SSLCertificateFile and SSLCertificateKeyFile are only paths to the certificate and key. Just remember that you would have to use IP-based VirtualHosts, like we did, and not name-based.
** Apache2 users: All of your SSL configuration is in a separate file at /usr/local/etc/apache2/ssl.conf so edit that for your SSL-aware VirtualHosts.
Section C -- Start Services
Your server is now ready to start MySQL and Apache with SSL.
#
# /usr/local/etc/rc.d/mysql-server.sh start
/usr/local/sbin/apachectl startssl
When you start apache with ssl, you will be prompted to enter that password you were supposed to remember. The reason for entering it everytime apache starts is because the RSA private key is stored in encrypted format. You can remove the encryption to eliminate the password prompt if you would like, but it's not recommended for security reasons. If you removed the encryption and somebody was able to control your box, they could take your certificate and impersonate you. But, if you are annoyed by the password prompt and feel confident that your server is secure, these are the steps to remove the encryption:
#
#
# cd /usr/local/etc/apache/ssl.key
cp server.key server.key.orig
openssl rsa -in server.key.orig -out server.key
Point your favorite browser to https://domain.tld and you should have a 128-bit secure connection. That's all there is to setting up a standard web server with SSL support. Happy hosting!
Author: Jon LaBass
jon at bsdguides dot org
Comments
ManDude on March 05, 2004 at 3:48:19 pm MST
Thanks for the info. I'll give it a go later.
Hovi on July 28, 2004 at 10:27:04 am MST
Hey i dont get the options to install anything else with mod_php4.How can i install mod_php4 with some of the options it had before (that i could have picked but now cant)?
thnx
Jon on July 28, 2004 at 1:50:19 pm MST
As of 07/19/2004, the php4 and php5 port structure has changed. The lang/php4, lang/php5, www/mod_php4, and www/mod_php5 ports are only the "base" php. You can install individual php extensions under the names of php4- or you can install php4-extensions which will give you the familiar look and feel that you are used to.
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