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.Referenceshttp://www.securityfocus.com/bid/5959http://www.iss.net/security_center/static/10363.phphttp://archives.neohapsis.com/archives/bugtraq/2002-10/0190.htmlhttp://securityresponse.symantec.com/avcenter/security/Content/2002.10.11a.html