AUTH_TYPE
CONNECTION_ID
CONNECTION_NUMBER
CONTENT_LENGTH
CONTENT_TYPE
DATE_GMT
DATE_LOCAL
DOCUMENT_NAME
DOCUMENT_URI
GATEWAY_INTERFACE
LAST_MODIFIED
OS_VERSION
PATH_INFO
PATH_TRANSLATED
PROCESSOR_COUNT
PROCESSOR_IDENTIFIER
PROCESSOR_MHZ
PROCESSOR_NAME
PROCESSOR_VENDOR
QUERY_STRING_UNESCAPED
QUERY_STRING
REMOTE_ADDR
REMOTE_HOST
REMOTE_IDENT
REMOTE_USER
REQUEST_METHOD
SCRIPT_NAME
SERVER_ACCEPTED_CONNECTIONS
SERVER_ADMIN_EMAIL
SERVER_ALLOW_DIRECTORY_INDEXING
SERVER_BYTES_RECV
SERVER_BYTES_SENT
SERVER_CACHE_COMPRESSED_SIZE
SERVER_CACHE_COMPRESSION_RATIO
SERVER_CACHE_CURRENT_FILES
SERVER_CACHE_MAX_FILES
SERVER_CACHE_NATIVE_SIZE
SERVER_CACHE_PATH
SERVER_CGI_TIMEOUT
SERVER_COMPRESS_DYNAMIC_CONTENT
SERVER_COMPRESS_MAX_SIZE
SERVER_COMPRESS_MIN_SIZE
SERVER_CURRENT_CONNECTIONS
SERVER_ERRORS
SERVER_GLOBAL_CURRENT_CONNECTIONS
SERVER_HITS
SERVER_KEEP_ALIVE_TIMEOUT
SERVER_LOG_PATH
SERVER_MEMORY_PAGEFILEUSAGE
SERVER_MEMORY_PEAKMEMUSAGE
SERVER_MEMORY_PEAKPAGEFILEUSAGE
SERVER_MEMORY_USED
SERVER_NAME
SERVER_PORT
SERVER_PROCESS_EXTERNAL_CGI
SERVER_PROCESS_SSI_FILES
SERVER_PROTOCOL
SERVER_SCAN_EXTS
SERVER_SCAN_IPS
SERVER_SCAN_URLS
SERVER_SOFTWARE
SERVER_TOTAL_CONNECTIONS
SERVER_USE_CGI_DIRECTORIES
SERVER_USE_HTTP_COMPRESSION
SERVER_USE_KEEP_ALIVES
SERVER_WARNINGS
SYSTEM_MEMORY_FREE
SYSTEM_MEMORY_TOTAL
SYSTEM_MEMORY_USED