The following bug has been logged on the website:
Bug reference: 6687
Logged by: David Fetter
Email address: david@fetter.org
PostgreSQL version: 9.1.4
Operating system: All
Description:=20=20=20=20=20=20=20=20
When calling initdb -A, it is assumed--wrongly in the case of ident, that
every method is valid for both local and network.