Server Variables

Variable

Meaning

ALL_HTTP

Complete set of HTTP Headers. In this variable, the headers have been capitalized and prefixed with HTTP_.

ALL_RAW

Complete set of HTTP Headers. Similar to ALL_HTTP, but the header names are left unchanged.

APPL_MD_PATH

Path in the Metabase for the web application (the Metabase contains the IIS4 configuration).

APPL_PHYSICAL_PATH

Physical path of the web application, i.e. the location on disk.

AUTH_PASSWORD

User's password, if the user has been authenticated using Basic Authentication.

AUTH_TYPE

Authentication type, if the user has been authenticated. Set to Basic for Basic Authentication or NTLM for Windows NT Challenge/Response Authentication.

AUTH_USER

User's name, if the user has been authenticated.

CERT_COOKIE

Unique identifier for client certificate.

CERT_FLAGS

Flags: bit 0 is set if client certificate is present; bit 1 is set if the certificate authority that issued the certificate is not recognized.

CERT_ISSUER

Certificate issuer, from the Issuer field in the client certificate.

CERT_KEYSIZE

Number of bits used to encrypt the secure channel session.

CERT_SECRETKEYSIZE

Number of bits in the server certificate's private key.

Variable

Meaning

CERT_SERIALNUMBER

Serial number of certificate allocated by issuer.

CERT_SERVER_ISSUER

Certificate issuer, from the Issuer field in the server certificate.

CERT_SERVER_SUBJECT

Certificate owner, from the Subject field in the server certificate.

CERT_SUBJECT

Certificate owner, from the Subject field in the client certificate.

CONTENT_LENGTH

Number of bytes sent by the client.

CONTENT_TYPE

Type of data in HTTP Request.

GATEWAY_INTERFACE

Version of the CGI gateway specification implemented.

HTTP_headername

See "HTTP Headers" below

HTTPS

ON if a secure channel is used; OFF otherwise

HTTPS_KEYSIZE

Number of bits used to encrypt the secure channel session.

HTTPS_SECRETKEYSIZE

Number of bits in the server certificate's private key.

HTTPS_SERVER_ISSUER

Certificate issuer, from the Issuer field in the server certificate.

HTTPS_SERVER_SUBJECT

Certificate owner, from the Subject field in the server certificate.

INSTANCE_ID

Identifies the instance of the web server in the Metabase.

INSTANCE_META_PATH

Path in the Metabase for the IIS instance.

LOCAL_ADDR

IP address on the server that received the HTTP request.

LOGON_USER

User's Windows NT account name, if the user has been authenticated.