| Variable |
Description |
| ALL_HTTP |
Returns all HTTP headers sent by the
client. Always prefixed with HTTP_ and capitalized |
| ALL_RAW |
Returns all headers in raw form |
| APPL_MD_PATH |
Returns the meta base path for the
application for the ISAPI DLL |
| APPL_PHYSICAL_PATH |
Returns the physical path corresponding
to the meta base path |
| AUTH_PASSWORD |
Returns the value entered in the
client's authentication dialog |
| AUTH_TYPE |
The authentication method that the
server uses to validate users |
| AUTH_USER |
Returns the raw authenticated user name |
| CERT_COOKIE |
Returns the unique ID for client
certificate as a string |
| CERT_FLAGS |
bit0 is set to 1 if the client
certificate is present and bit1 is set to 1 if the
cCertification authority of the client certificate is
not valid |
| CERT_ISSUER |
Returns the issuer field of the client
certificate |
| CERT_KEYSIZE |
Returns the number of bits in Secure
Sockets Layer connection key size |
| CERT_SECRETKEYSIZE |
Returns the number of bits in server
certificate private key |
| CERT_SERIALNUMBER |
Returns the serial number field of the
client certificate |
| CERT_SERVER_ISSUER |
Returns the issuer field of the server
certificate |
| CERT_SERVER_SUBJECT |
Returns the subject field of the server
certificate |
| CERT_SUBJECT |
Returns the subject field of the client
certificate |
| CONTENT_LENGTH |
Returns the length of the content as
sent by the client |
| CONTENT_TYPE |
Returns the data type of the content |
| GATEWAY_INTERFACE |
Returns the revision of the CGI
specification used by the server |
| HTTP_<HeaderName> |
Returns the value stored in the header
HeaderName |
| HTTP_ACCEPT |
Returns the value of the Accept header |
| HTTP_ACCEPT_LANGUAGE |
Returns a string describing the
language to use for displaying content |
| HTTP_COOKIE |
Returns the cookie string included with
the request |
| HTTP_REFERER |
Returns the original URL when a
redirect has occurred |
| HTTP_USER_AGENT |
Returns a string describing the browser
that sent the request |
| HTTPS |
Returns ON if the request came in
through secure channel or OFF if the request came in
through a non-secure channel |
| HTTPS_KEYSIZE |
Returns the number of bits in Secure
Sockets Layer connection key size |
| HTTPS_SECRETKEYSIZE |
Returns the number of bits in server
certificate private key |
| HTTPS_SERVER_ISSUER |
Returns the issuer field of the server
certificate |
| HTTPS_SERVER_SUBJECT |
Returns the subject field of the server
certificate |
| INSTANCE_ID |
The ID for the IIS instance in text
format |
| INSTANCE_META_PATH |
The meta base path for the instance of
IIS that responds to the request |
| LOCAL_ADDR |
Returns the server address on which the
request came in |
| LOGON_USER |
Returns the Windows account that the
user is logged into |
| PATH_INFO |
Returns extra path information as given
by the client |
| PATH_TRANSLATED |
A translated version of PATH_INFO that
takes the path and performs any necessary
virtual-to-physical mapping |
| QUERY_STRING |
Returns the query information stored in
the string following the question mark (?) in the HTTP
request |
| REMOTE_ADDR |
Returns the IP address of the remote
host making the request |
| REMOTE_HOST |
Returns the name of the host making the
request |
| REMOTE_USER |
Returns an unmapped user-name string
sent in by the user |
| REQUEST_METHOD |
Returns the method used to make the
request |
| SCRIPT_NAME |
Returns a virtual path to the script
being executed |
| SERVER_NAME |
Returns the server's host name, DNS
alias, or IP address as it would appear in
self-referencing URLs |
| SERVER_PORT |
Returns the port number to which the
request was sent |
| SERVER_PORT_SECURE |
Returns a string that contains 0 or 1.
If the request is being handled on the secure port, it
will be 1. Otherwise, it will be 0 |
| SERVER_PROTOCOL |
Returns the name and revision of the
request information protocol |
| SERVER_SOFTWARE |
Returns the name and version of the
server software that answers the request and runs the
gateway |
| URL |
Returns the base portion of the URL |
