04-17-2019
wordpress, wikipedia, et al don't encrypt their database passwords since there's not much point. They need the password every time. If it was encrypted, they'd just have to decrypt it, and if the program can do that without human input, so can an attacker.
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HPROP(8) BSD System Manager's Manual HPROP(8)
NAME
hprop -- propagate the KDC database
SYNOPSIS
hprop [-m file | --master-key=file] [-d file | --database=file] [--source=heimdal|mit-dump] [-r string | --v4-realm=string] [-c cell |
--cell=cell] [-k keytab | --keytab=keytab] [-R string | --v5-realm=string] [-D | --decrypt] [-E | --encrypt] [-n | --stdout]
[-v | --verbose] [--version] [-h | --help] [host[:port]] ...
DESCRIPTION
hprop takes a principal database in a specified format and converts it into a stream of Heimdal database records. This stream can either be
written to standard out, or (more commonly) be propagated to a hpropd(8) server running on a different machine.
If propagating, it connects to all hosts specified on the command by opening a TCP connection to port 754 (service hprop) and sends the data-
base in encrypted form.
Supported options:
-m file, --master-key=file
Where to find the master key to encrypt or decrypt keys with.
-d file, --database=file
The database to be propagated.
--source=heimdal|mit-dump|krb4-dump|kaserver
Specifies the type of the source database. Alternatives include:
heimdal a Heimdal database
mit-dump a MIT Kerberos 5 dump file
+.It Fl k Ar keytab , Fl Fl keytab= Ns Ar keytab The keytab to use for fetching the key to be used for authenticating to the propaga-
tion daemon(s). The key hprop/hostname is used from this keytab. The default is to fetch the key from the KDC database.
-R string, --v5-realm=string
Local realm override.
-D, --decrypt
The encryption keys in the database can either be in clear, or encrypted with a master key. This option transmits the database with
unencrypted keys.
-E, --encrypt
This option transmits the database with encrypted keys.
-n, --stdout
Dump the database on stdout, in a format that can be fed to hpropd.
EXAMPLES
The following will propagate a database to another machine (which should run hpropd(8)):
$ hprop slave-1 slave-2
SEE ALSO
hpropd(8)
HEIMDAL
December 8, 2004 HEIMDAL