101 lines
3.6 KiB
Plaintext
101 lines
3.6 KiB
Plaintext
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#
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# Example Postgres95 host access control file.
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#
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#
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# This file controls what hosts are allowed to connect to what databases
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# and specifies some options on how users on a particular host are identified.
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#
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# Each line (terminated by a newline character) is a record. A record cannot
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# be continued across two lines.
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#
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# There are 3 kinds of records:
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#
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# 1) comment: Starts with #.
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#
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# 2) empty: Contains nothing excepting spaces and tabs.
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#
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# 3) content: anything else.
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#
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# Unless specified otherwise, "record" from here on means a content
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# record.
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#
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# A record consists of tokens separated by spaces or tabs. Spaces and
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# tabs at the beginning and end of a record are ignored as are extra
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# spaces and tabs between two tokens.
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#
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# The first token in a record is the record type. The interpretation of the
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# rest of the record depends on the record type.
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#
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# Record type "host"
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# ------------------
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#
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# This record identifies a set of hosts that are permitted to connect to
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# databases. No hosts are permitted to connect except as specified by a
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# "host" record.
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#
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# Format:
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#
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# host DBNAME IP_ADDRESS ADDRESS_MASK USERAUTH [MAP]
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#
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# DBNAME is the name of a Postgres database, or "all" to indicate all
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# databases.
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#
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# IP_ADDRESS and ADDRESS_MASK are a standard dotted decimal IP address and
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# mask to identify a set of hosts. These hosts are allowed to connect to
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# Database DBNAME.
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#
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# USERAUTH is a keyword indicating the method used to authenticate the
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# user, i.e. to determine that the principal is authorized to connect
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# under the Postgres username he supplies in his connection parameters.
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#
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# ident: Authentication is done by the ident server on the remote
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# host, via the ident (RFC 1413) protocol.
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#
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# trust: No authentication is done. Trust that the user has the
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# authority to user whatever username he says he does.
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# Before Postgres Version 6, all authentication was this way.
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#
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# MAP is the name of a map that matches an authenticated principal with
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# a Postgres username. If USERNAME is "trust", this value is ignored and
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# may be absent.
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#
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# In the case of USERAUTH=ident, this is a map name to be found in the
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# pg_ident.conf file. That table maps from ident usernames to Postgres
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# usernames. The special map name "sameuser" indicates an implied map
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# (not found in pg_ident.conf) that maps every ident username to the identical
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# Postgres username.
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#
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# For backwards compatibility, Postgres also accepts pre-Version 2 records,
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# which look like:
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#
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# all 127.0.0.1 0.0.0.0
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#
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#
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# TYPE DATABASE IP_ADDRESS MASK USERAUTH MAP
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host all 127.0.0.1 255.255.255.255 trust
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# The above allows any user on the local system to connect to any database
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# under any username.
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host template1 192.168.0.0 255.255.255.0 ident sameuser
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# The above allows any user from any host with IP address 192.168.0.x to
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# connect to database template1 as the same username that ident on that host
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# identifies him as (typically his Unix username).
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#host all 0.0.0.0 0.0.0.0 trust
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# The above would allow anyone anywhere to connect to any database under
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# any username.
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#host all 192.168.0.0 255.255.255.0 ident omicron
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#
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# The above would allow users from 192.168.0.x hosts to connect to any
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# database, but if e.g. Ident says the user is "bryanh" and he requests to
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# connect as Postgres user "guest1", the connection is only allowed if
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# there is an entry for map "omicron" in pg_ident.conf that says "bryanh" is
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# allowed to connect as "guest1".
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