The Perfect Server - Mandriva 2009.1 Free (x86_64) [ISPConfig 2] - Page 5
10 MySQL 5
To install MySQL 5, we simply run:
urpmi MySQL MySQL-client lib64mysql-devel
By default, networking is not enabled in Mandriva 2009.1's MySQL package, but networking is required by ISPConfig. We can change this by commenting out the line skip-networking in /etc/my.cnf.
vi /etc/my.cnf
[...] # Don't listen on a TCP/IP port at all. This can be a security enhancement, # if all processes that need to connect to mysqld run on the same host. # All interaction with mysqld must be made via Unix sockets or named pipes. # Note that using this option without enabling named pipes on Windows # (via the "enable-named-pipe" option) will render mysqld useless! # #skip-networking [...] |
Afterwards, we create the system startup links for MySQL...
chkconfig mysqld on
... and start it:
/etc/init.d/mysqld start
Now check that networking is enabled. Run
netstat -tap | grep mysql
The output should look like this:
[root@server1 var]# netstat -tap | grep mysql
tcp 0 0 *:mysql-im *:* LISTEN 3411/mysqlmanager
tcp 0 0 *:mysql *:* LISTEN 3421/mysqld
[root@server1 var]#
Next, run
mysqladmin -u root password yourrootsqlpassword
mysqladmin -h server1.example.com -u root password yourrootsqlpassword
to set a password for the user root (otherwise anybody can access your MySQL database!).
11 Postfix With SMTP-AUTH And TLS; Dovecot
Install the required packages (Postfix, cyrus-sasl, Dovecot, etc.) like this:
urpmi cyrus-sasl lib64sasl2 lib64sasl2-devel lib64sasl2-plug-plain lib64sasl2-plug-anonymous lib64sasl2-plug-crammd5 lib64sasl2-plug-digestmd5 lib64sasl2-plug-gssapi lib64sasl2-plug-login postfix dovecot
Then run:
postconf -e 'mydestination = /etc/postfix/local-host-names, localhost.$mydomain'
postconf -e 'smtpd_sasl_local_domain ='
postconf -e 'smtpd_sasl_auth_enable = yes'
postconf -e 'smtpd_sasl_security_options = noanonymous'
postconf -e 'broken_sasl_auth_clients = yes'
postconf -e 'smtpd_sasl_authenticated_header = yes'
postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination'
postconf -e 'inet_interfaces = all'
postconf -e 'mynetworks = 127.0.0.0/8'
touch /etc/postfix/local-host-names
Then we set the hostname in our Postfix installation (make sure you replace server1 and example.com with your own settings):
postconf -e 'mydomain = example.com'
postconf -e 'myhostname = server1.$mydomain'
Edit /etc/sasl2/smtpd.conf. It should look like this:
vi /etc/sasl2/smtpd.conf
# SASL library configuration file for postfix # all parameters are documented into: # /usr/share/doc/cyrus-sasl/options.html # The mech_list parameters list the sasl mechanisms to use, # default being all mechs found. mech_list: plain login # To authenticate using the separate saslauthd daemon, (e.g. for # system or ldap users). Also see /etc/sysconfig/saslauthd. pwcheck_method: saslauthd saslauthd_path: /var/lib/sasl2/mux # To authenticate against users stored in sasldb. #pwcheck_method: auxprop #auxprop_plugin: sasldb #sasldb_path: /var/lib/sasl2/sasl.db |
Create the SSL certificate needed for TLS:
mkdir /etc/postfix/ssl
cd /etc/postfix/ssl/
openssl genrsa -des3 -rand /etc/hosts -out smtpd.key 1024
chmod 600 smtpd.key
openssl req -new -key smtpd.key -out smtpd.csr
openssl x509 -req -days 3650 -in smtpd.csr -signkey smtpd.key -out smtpd.crt
openssl rsa -in smtpd.key -out smtpd.key.unencrypted
mv -f smtpd.key.unencrypted smtpd.key
openssl req -new -x509 -extensions v3_ca -keyout cakey.pem -out cacert.pem -days 3650
... and configure Postfix for TLS:
postconf -e 'smtpd_tls_auth_only = no'
postconf -e 'smtp_use_tls = yes'
postconf -e 'smtpd_use_tls = yes'
postconf -e 'smtp_tls_note_starttls_offer = yes'
postconf -e 'smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key'
postconf -e 'smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt'
postconf -e 'smtpd_tls_CAfile = /etc/postfix/ssl/cacert.pem'
postconf -e 'smtpd_tls_loglevel = 1'
postconf -e 'smtpd_tls_received_header = yes'
postconf -e 'smtpd_tls_session_cache_timeout = 3600s'
postconf -e 'tls_random_source = dev:/dev/urandom'
Next we must configure Dovecot to serve the protocols imap, imaps, pop3, and pop3s. Open /etc/dovecot.conf and adjust the following values:
vi /etc/dovecot.conf
[...] protocols = imap imaps pop3 pop3s [...] disable_plaintext_auth = no [...] pop3_uidl_format = %08Xu%08Xv [...] |
Now we must tell the system to start Dovecot only after ntpd has started because Dovecot isn't very forgiving if your system's time moves backwards while Dovecot is running (see http://wiki.dovecot.org/TimeMovedBackwards). This might cause errors like the following in your syslog:
Apr 9 19:29:18 server1 dovecot: Time just moved backwards by 17 seconds. This might
cause a lot of problems, so I'll just kill myself now. http://wiki.dovecot.org/TimeMovedBackwards
Unfortunately, on Mandriva Dovecot is started before ntpd, so we change it like this:
cd /etc/rc3.d
mv S99ntpd S98ntpd
cd /etc/rc4.d
mv S99ntpd S98ntpd
cd /etc/rc5.d
mv S99ntpd S98ntpd
Then we create the system startup links for Postfix...
chkconfig postfix on
... and (re)start Postfix, saslauthd, and Dovecot:
/etc/init.d/postfix restart
/etc/init.d/saslauthd restart
/etc/init.d/dovecot restart
To see if SMTP-AUTH and TLS work properly now run the following command:
telnet localhost 25
After you have established the connection to your Postfix mail server type
ehlo localhost
If you see the lines
250-STARTTLS
and
250-AUTH PLAIN LOGIN
everything is fine:
[root@server1 ssl]# telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
220 server1.example.com ESMTP Postfix (2.5.6) (Mandriva Linux)
ehlo localhost
250-server1.example.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
quit
221 2.0.0 Bye
Connection closed by foreign host.
[root@server1 ssl]#
Type
quit
to return to the system's shell.
11.1 Maildir
Dovecot uses Maildir format (not mbox), so if you install ISPConfig on the server, please make sure you enable Maildir under Management -> Server -> Settings -> Email. ISPConfig will then do the necessary configuration.
If you do not want to install ISPConfig, then you must configure Postfix to deliver emails to a user's Maildir (you can also do this if you use ISPConfig - it doesn't hurt ;-)):
postconf -e 'home_mailbox = Maildir/'
postconf -e 'mailbox_command ='
/etc/init.d/postfix restart
