Request.ServerVariables["APPL_PHYSICAL_PATH"]
[0]: "ALL_HTTP"
[1]: "ALL_RAW"
[2]: "APPL_MD_PATH"
[3]: "APPL_PHYSICAL_PATH"
[4]: "AUTH_TYPE"
[5]: "AUTH_USER"
[6]: "AUTH_PASSWORD"
[7]: "LOGON_USER"
[8]: "REMOTE_USER"
[9]: "CERT_COOKIE"
[10]: "CERT_FLAGS"
[11]: "CERT_ISSUER"
[12]: "CERT_KEYSIZE"
[13]: "CERT_SECRETKEYSIZE"
[14]: "CERT_SERIALNUMBER"
[15]: "CERT_SERVER_ISSUER"
[16]: "CERT_SERVER_SUBJECT"
[17]: "CERT_SUBJECT"
[18]: "CONTENT_LENGTH"
[19]: "CONTENT_TYPE"
[20]: "GATEWAY_INTERFACE"
[21]: "HTTPS"
[22]: "HTTPS_KEYSIZE"
[23]: "HTTPS_SECRETKEYSIZE"
[24]: "HTTPS_SERVER_ISSUER"
[25]: "HTTPS_SERVER_SUBJECT"
[26]: "INSTANCE_ID"
[27]: "INSTANCE_META_PATH"
[28]: "LOCAL_ADDR"
[29]: "PATH_INFO"
[30]: "PATH_TRANSLATED"
[31]: "QUERY_STRING"
[32]: "REMOTE_ADDR"
[33]: "REMOTE_HOST"
[34]: "REMOTE_PORT"
[35]: "REQUEST_METHOD"
[36]: "SCRIPT_NAME"
[37]: "SERVER_NAME"
[38]: "SERVER_PORT"
[39]: "SERVER_PORT_SECURE"
[40]: "SERVER_PROTOCOL"
[41]: "SERVER_SOFTWARE"
[42]: "URL"
[43]: "HTTP_CONNECTION"
[44]: "HTTP_ACCEPT"
[45]: "HTTP_ACCEPT_ENCODING"
[46]: "HTTP_ACCEPT_LANGUAGE"
[47]: "HTTP_AUTHORIZATION"
[48]: "HTTP_HOST"
[49]: "HTTP_USER_AGENT"
