Which ApacheModules are really needed ?

[tango]

admin:/etc/apache2/mods-enabled# ls
actions.conf authz_user.load env.load proxy_http.load
actions.load autoindex.conf fcgid_ispcp.conf proxy.load
alias.conf autoindex.load fcgid_ispcp.load rewrite.load
alias.load cgid.conf mime.conf setenvif.conf
auth_basic.load cgid.load mime.load setenvif.load
authn_file.load deflate.conf mod-security2.load status.conf
authz_default.load deflate.load negotiation.conf status.load
authz_groupfile.load dir.conf negotiation.load suexec.load
authz_host.load dir.load proxy.conf unique_id.load