Vhosts
<VirtualHost 127.0.1.3:443>
        ServerName domain1.com
        ServerAlias www.domain1.com
        ServerAlias www1.domain1.com
        ServerAlias www2.domain1.com
        ServerAdmin webmaster@domain1.com
        DocumentRoot /var/www/ssltest/domain1/


        SSLEngine on
        SSLCertificateFile /etc/apache2/ssl-files/server.crt
        SSLCertificateKeyFile /etc/apache2/ssl-files/server.key


        ErrorLog /var/log/apache2/domain1.com-error_log
        CustomLog /var/log/apache2/domain1.com-access_log common


</VirtualHost>


<VirtualHost 127.0.1.2:443>
        ServerName domain2.com
        ServerAlias www.domain2.com
        ServerAlias www1.domain2.com
        ServerAlias www2.domain2.com
        ServerAdmin webmaster@domain2.com
        DocumentRoot /var/www/ssltest/domain2/


        SSLEngine on
        SSLCertificateFile /etc/apache2/ssl-files/server.crt
        SSLCertificateKeyFile /etc/apache2/ssl-files/server.key


        ErrorLog /var/log/apache2/domain2.com-error_log
        CustomLog /var/log/apache2/domain2.com-access_log common


</VirtualHost>



 Scenario# 1
$ cat ../ssl-files/ssl.conf
[ req ]
default_bits        = 1024
default_keyfile     = server.key
distinguished_name  = req_distinguished_name
req_extensions     = req_ext # The extentions to add to the self signed cert

[ req_distinguished_name ]
countryName           = Country Name (2 letter code)
countryName_default   = US
stateOrProvinceName		= State or Province Name (full name)
stateOrProvinceName_default	= Connecticut
localityName			= Locality Name (eg, city)
localityName_default	= Stamford
organizationName		= Organization Name (eg, company)
organizationName_default	= Virtua, Inc.
commonName            = Common Name (eg, YOUR name)
commonName_max        = 64

[ req_ext ]
subjectAltName          = @alt_names

[alt_names]
DNS.1   = *.domain1.com
DNS.2   = *.domain2.com


CN entered during csr generation:
*.domain1.con


Firefox Error on domain2.com
domain2.com uses an invalid security certificate.

The certificate is not trusted because it is self-signed.
The certificate is only valid for *.domain1.com

(Error code: sec_error_untrusted_issuer)


Scenario 2:
[ req ]
default_bits        = 1024
default_keyfile     = server.key
distinguished_name  = req_distinguished_name

[ req_distinguished_name ]
countryName           = Country Name (2 letter code)
countryName_default   = US
stateOrProvinceName		= State or Province Name (full name)
stateOrProvinceName_default	= Connecticut
localityName			= Locality Name (eg, city)
localityName_default	= Stamford
organizationName		= Organization Name (eg, company)
organizationName_default	= Virtua, Inc.
0.commonName            = Common Name (eg, YOUR name)
0.commonName_default    = *.domain1.com
0.commonName_max        = 64
1.commonName            = Common Name (eg, YOUR name)
1.commonName_default    = *.domain2.com
1.commonName_max        = 64


FirefoxOutput in this case:
domain1.com uses an invalid security certificate.

The certificate is not trusted because it is self-signed.
The certificate is only valid for *.domain2.com