21.9. Peer Authentication
The peer authentication method works by obtaining the client's operating system user name from the kernel and using it as the allowed database user name (with optional user name mapping). This method is only supported on local connections.
The following configuration options are supported for
peer
:
-
map -
Allows for mapping between system and database user names. See Section 21.2 for details.
Peer authentication is only available on operating systems providing
the
getpeereid()
function, the
SO_PEERCRED
socket parameter, or similar mechanisms. Currently that includes
Linux
,
most flavors of
BSD
including
macOS
,
and
Solaris
.