[CTX] [ALL]
AUTHORIZER parameter* ==  AUTHORIZER=authServList[@realmValue][:connMap]
       authServList  ==  [authForw,]authServ[,authServ]* | & | *
           authForw  ==  -map{inPat}{localPat}{fwdPat} | -strip | -fwd
           authServ  ==  authHost[/portNum][(reprUser)]
           authHost  ==  hostName | hostAddr
         realmValue  ==  word | {words separated with space}
            connMap  ==  ProtoList:dstHostList:srcHostList
                    --  default: none
                    --  restriction: applicable to Telnet, FTP, NNTP, SMTP, IMAP,
                                     Socks, SockMux, and HTTP