RewriteEngine on
RewriteLog /var/log/apache2/rewrite.log
RewriteLogLevel 3
RewriteCond %{REQUEST_URI} !^/~.*
RewriteCond %{REQUEST_URI} !^/favicon.ico
RewriteCond %{REQUEST_URI} !^/error/.*
RewriteRule  ^/(.+/)?(.*)/?$ http://pessoa.fct.unl.pt/~$1$2 [NE,NC,P]
ProxyPassReverse / http://pessoa.fct.unl.pt/