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FAL - Help file for FAL %1(5) Page 1
The TOPS-10 File Access Listener (FAL) provides network-level remote
file access capabilities as specified in the Data Access Protocol
(DAP). FAL runs as a user-mode system program, and requires [OPR] or
equivilent privileges. A separate FAL job must be run for each
concurrent remote file access stream. FAL supports both ANF and
DECNET networks, but only one at a time as selected by the operator at
FAL startup time.
FAL depends on the ACTDAE program to validate the USERID and
associated password (and account string if required), so you must be
running ACTDAE for network file accesses to work - even if USAGE
accounting is disabled!
SYS:USERS.TXT is an optional file which contains user "names" and
their corresponding "ppns". This allows remote file access requests
to specify a user "name" in lieu of a ppn. The format of USERS.TXT is
as defined by the MS program, and consists of ASCII lines of text
specifying the "ppn" and "name" strings, as in:
FAL will ignore any structure specification supplied in USERS.TXT.
FAL is invoked by running the NFT program and issuing the "FAL"
command to NFT. The FAL command instructs NFT to enter FAL command
mode. Commands to FAL are:
NETPPN ppn Set the default network access ppn to "ppn".
The NETPPN command is used to define the default
("free") ppn which FAL will use as the "on behalf of"
account for processing remote file access requests.
If the incoming request does not specify a USERID then
NETPPN will be used in its place. If "ppn" is blank
or the NETPPN command is not issued then an incoming
file access request which does not have a USERID will
REJECT rjs Reject any file access request from "rjs".
The REJECT command is used to specify one or more
nodes and/or users (ppns) which will unconditionally
NOT be allowed remote file access. The "rjs"
specification is in the form of a file-spec-list of
which only the node and directory specifications have
any semantic meaning (the file name etc. are
ignored). If only a node name is specified then all
requests from that node will be rejected; if only a
ppn is specified then that ppn will be rejected from
all nodes; if both a node and ppn are specified then
only that ppn from that node will be rejected.
START ntyp Start the FAL process for network type "ntyp".
FAL - Help file for FAL %1(5) Page 2
The START command tells FAL to start up and initialize
for running the FAL process. The "ntyp" is optional,
and is used to select whether to become an ANF FAL or
a DECNET FAL; "ntyp" must be one of "ANF" or
"DECNET". If no "ntyp" is specified, then "DECNET" is
assumed. Once a START command has been successfully
issued FAL initializes and will no longer accept any
NIP Return to NFT command mode, abort FAL command mode.
The NIP command is used to abort from FAL command mode
and return to NFT command mode.