<VirtualHost *>
 <Directory .../pub/ >
                RewriteBase /
                RewriteRule ^$ /index.php?/ [QSA,L]
                RewriteCond %{REQUEST_URI}  !^/modpub
                RewriteCond %{REQUEST_FILENAME} !-f
                RewriteCond %{REQUEST_FILENAME} !-d
                RewriteRule ^(.*) /index.php?/$1 [QSA,L]
...