AUTH_TYPE request.getAuthType()
CONTENT_LENGTH request.getContentLength()
CONTENT_TYPE request.getContentType()
DOCUMENT_ROOT getServletContext().getRealPath()
PATH_INFO request.getPathInfo()
PATH_TRANSLATED request.getPathTranslated()
QUERY_STRING request.getQueryString()
REMOTE_ADDR request.getRemoteAddr()
REMOTE_HOST request.getRemoteHost()
REMOTE_USER request.getRemoteUser()
REQUEST_METHOD request.getMethod()
SCRIPT_NAME request.getServletPath()
SERVER_NAME request.getServerName()
SERVER_PORT request.getServerPort()
SERVER_PROTOCOL request.getProtocol()
SERVER_SOFTWARE getServletContext().getServerInfo()
HTTP_XXX_YYY Variables of the form HTTP_HEADER_NAME can be accessed using the request.getHeader(Header-Name)
Example:
HTTP_REFERER by request.getHeader("Referer")
HTTP_COOKIE by request.getHeader("Cookie")
HTTP_USER_AGENT by request.getHeader("User-Agent")
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