Database postragesq peer authentication

20.9. Peer authentication

Peer The authentication method obtains the operating system user name of the client from the kernel and uses it as the allowed database user name （ And optional user name mapping ） Come to work . This method only supports... On local connections .

The following supported configuration options are used for peer：

map

Allow mapping between system and database user names . See Section 20.2.Peer Certification is only available getpeereid() function 、SO_PEERCRED Socket parameters or similar mechanisms are available on the operating system . these OS The present includes Linux、 Most of BSD Include OS X as well as Solaris.