[pityocamptes]

Originally Posted by ozzy47

When did you notice this start happening? What browser do you use by default?

I was able to replicate the issue, both logging into the ACP and the site it's self, but then I cleared my cookies for your site, and was able to log in successfully.

After I did the second part of the htaccess, I use FF by default :

# BEGIN Caching
<ifModule mod_headers.c>
<filesMatch "\\.(ico|pdf|flv|jpg|jpeg|png|gif|swf)$">
Header set Cache-Control "max-age=2592000, public"
</filesMatch>
<filesMatch "\\.(css)$">
Header set Cache-Control "max-age=604800, public"
</filesMatch>
<filesMatch "\\.(js)$">
Header set Cache-Control "max-age=216000, private"
</filesMatch>
<filesMatch "\\.(xml|txt)$">
Header set Cache-Control "max-age=216000, public, must-revalidate"
</filesMatch>
<filesMatch "\\.(html|htm|php)$">
Header set Cache-Control "max-age=1, private, must-revalidate"
</filesMatch>
</ifModule>
# END Caching