diff -ru ./Vulture/ResponseHandler.pm ../lib/Vulture/ResponseHandler.pm
--- ./Vulture/ResponseHandler.pm	2009-02-06 18:27:43.000000000 +0100
+++ ../lib/Vulture/ResponseHandler.pm	2009-02-06 18:26:53.000000000 +0100
@@ -1052,6 +1052,10 @@
 		else {
 			$r->headers_out->set('Set-Cookie' => "vulture_app=".  $session{_session_id} . "; path=/; domain=".$r->hostname);
 		}
+		my $in_cookie = $r->headers_in->{Cookie};
+		while ($in_cookie and $in_cookie =~ s/([^,; ]+)=([^,; ]+)//) {
+			$r->headers_out->add('Set-Cookie' => $1.'; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=/; domain='.$r->hostname) if ($1 ne "vulture_app" and $1 ne "vulture_proxy");
+		}
 		$r->status(200);
 		$r->content_type('text/html');
 		if ($r->headers_in->{'Vulture_portail'}) {