Header("Cache-Control: cache, must-revalidate");
Header("Pragma: no-cache");
Header("Expires: 0");
다운로드 헤더 맨아래쪽에 위 세줄을 추가한다.
사용법 : Request.ServerVariables("[헤더값]")
ALL_HTTP
ALL_RAW
APPL_MD_PATH
APPL_PHYSICAL_PATH
AUTH_TYPE
AUTH_USER
AUTH_PASSWORD
LOGON_USER
REMOTE_USER
CERT_COOKIE
CERT_FLAGS
CERT_ISSUER
CERT_KEYSIZE
CERT_SECRETKEYSIZE
CERT_SERIALNUMBER
CERT_SERVER_ISSUER
CERT_SERVER_SUBJECT
CERT_SUBJECT
CONTENT_LENGTH
CONTENT_TYPE
GATEWAY_INTERFACE
HTTPS
HTTPS_KEYSIZE
HTTPS_SECRETKEYSIZE
HTTPS_SERVER_ISSUER
HTTPS_SERVER_SUBJECT
INSTANCE_ID
INSTANCE_META_PATH
LOCAL_ADDR
PATH_INFO
PATH_TRANSLATED
QUERY_STRING
REMOTE_ADDR
REMOTE_HOST
REMOTE_PORT
REQUEST_METHOD
SCRIPT_NAME
SERVER_NAME
SERVER_PORT
SERVER_PORT_SECURE
SERVER_PROTOCOL
SERVER_SOFTWARE
URL
HTTP_CONNECTION
HTTP_ACCEPT
HTTP_ACCEPT_ENCODING
HTTP_ACCEPT_LANGUAGE
HTTP_COOKIE
HTTP_HOST
HTTP_USER_AGENT