Apache: gzip and cache rules

gistfile1.sh

# Enable GZIP
<ifmodule mod_deflate.c>
	AddOutputFilterByType DEFLATE text/text text/html text/plain text/xml text/css application/x-javascript application/javascript
	BrowserMatch ^Mozilla/4 gzip-only-text/html
	BrowserMatch ^Mozilla/4\.0[678] no-gzip
	BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
</ifmodule>

# Expires Headers - 2678400s = 31 days
<ifmodule mod_expires.c>
	ExpiresActive On
	ExpiresDefault "access plus 1 seconds"
	ExpiresByType text/html "access plus 7200 seconds"
	ExpiresByType image/gif "access plus 2678400 seconds"
	ExpiresByType image/jpeg "access plus 2678400 seconds"
	ExpiresByType image/png "access plus 2678400 seconds"
	ExpiresByType text/css "access plus 518400 seconds"
	ExpiresByType text/javascript "access plus 2678400 seconds"
	ExpiresByType application/x-javascript "access plus 2678400 seconds"
</ifmodule>

# Cache Headers
<ifmodule mod_headers.c>
	# Cache specified files for 31 days
	<filesmatch "\.(ico|flv|jpg|jpeg|png|gif|css|swf)$">
		Header set Cache-Control "max-age=2678400, public"
	</filesmatch>
	# Cache HTML files for a couple hours
	<filesmatch "\.(html|htm)$">
		Header set Cache-Control "max-age=7200, private, must-revalidate"
	</filesmatch>
	# Cache PDFs for a day
	<filesmatch "\.(pdf)$">
		Header set Cache-Control "max-age=86400, public"
	</filesmatch>
	# Cache Javascripts for 31 days
	<filesmatch "\.(js)$">
		Header set Cache-Control "max-age=2678400, private"
	</filesmatch>
</ifmodule>