CVE-2002-1535
Secure Webserver 1.1 in Raptor 6.5 and Symantec Enterprise Firewall 6.5.2 allows remote attackers to identify IP addresses of hosts on the internal network via a CONNECT request, which generates different error messages if the host is present.
Date published : 2003-03-18
http://www.securityfocus.com/bid/5959
http://archives.neohapsis.com/archives/bugtraq/2002-10/0190.html