dpkg -l|grep apache
ii  apache2                                                     2.2.22-6ubuntu2.3                         amd64        Apache HTTP Server metapackage
ii  apache2-mpm-prefork                                         2.2.22-6ubuntu2.3                         amd64        Apache HTTP Server - traditional non-threaded model
ii  apache2-utils                                               2.2.22-6ubuntu2.3                         amd64        utility programs for webservers
ii  apache2.2-bin                                               2.2.22-6ubuntu2.3                         amd64        Apache HTTP Server common binary files
ii  apache2.2-common                                            2.2.22-6ubuntu2.3                         amd64        Apache HTTP Server common files
ii  libapache-mod-security                                      2.6.6-3                                   all          Dummy transitional package
ii  libapache2-mod-evasive                                      1.10.1-1                                  amd64        evasive module to minimize HTTP DoS or brute force attacks
ii  libapache2-mod-php5                                         5.4.6-1ubuntu1.5                          amd64        server-side, HTML-embedded scripting language (Apache 2 module)
ii  libapache2-mod-qos                                          10.9-1                                    amd64        quality of service module for the apache2
ii  libapache2-modsecurity                                      2.6.6-3                                   amd64        Tighten web applications security for Apache