Why won't mod_rewrite work?

# Attempt to override some php settings, these settings may be helpful on some hosts if your
# default configuration does not meet CMS's minimum requirements, and your host
# has given your account appropriate permissions

#php_value upload_max_filesize "10M"

#php_value session_save_path "tmp/cache"


#php_flag magic_quotes_gpc Off

#php_flag register_globals Off

#php_flag session.use_trans_sid Off


# (this is important, so uncomment if your host permit)

#Options -Indexes

#ServerSignature Off


#Options +FollowSymLinks


# To prevent E_STRICT problems with PHP 5.3+ you can uncomment the following lines

# Note: These settings should only be enabled for production sites!

#php_flag display_startup_errors 0

#php_flag display_errors 0

#php_flag html_errors 0

#php_value docref_root 0

#php_value docref_ext 0



<IfModule mod_rewrite.c>
RewriteEngine on


#
#Sub-dir e.g: /cmsms RewriteBase /

RewriteBase /cmsms


# 301 Redirect all requests that don't contain a dot or trailing slash to

# include a trailing slash

# but ignore POST requests.

#RewriteCond %{REQUEST_URI} !/$

#RewriteCond %{REQUEST_URI} !\.

#RewriteCond %{REQUEST_METHOD} !POST$

#RewriteRule ^(.*) %{REQUEST_URI}/ [R=301,L]


# Rewrites urls in the form of /parent/child/

# but only rewrites if the requested URL is not a file or directory

#
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)$ index.php?page=$1 [QSA]

</IfModule>


<IfModule mod_header.c>

# Disable ETags
Header unset ETag
FileEtag None

</IfModule>


<IfModule mod_deflate.c>

# Compress css, plaintext, xml, gif, and images in transport.
AddOutputFilterByType DEFLATE text/css text/plain text/xml image/gif image/jpeg image/png
</IfModule>


<IfModule mod_expires.c>

<FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$">

# Set expires tags on various files... so that the browser wont attempt to reload them.
ExpiresActive On
ExpiresDefault "access plus 1 year"

<IfModule mod_header.c>
  # Setting cache control to public allowes proxy servers to cache the items too.
  Header set Cache-Control "public"
</IfModule>
</FilesMatch>

</IfModule>
                                  

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