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| layout | page_title | sidebar_current | description |
|---|---|---|---|
| docs | Audit Backend: File | docs-audit-file | The "file" audit backend writes audit logs to a file. |
Audit Backend: File
The file audit backend writes audit logs to a file. This is a very simple audit
backend: it appends logs to a file. It does not currently assist with any log rotation.
Format
Each line in the audit log is a JSON object. The type field specifies what type of
object it is. Currently, only two types exist: request and response. The line contains
all of the information for any given request and response. All the sensitive information
is first hashed before logging in the audit logs, by default.
Enabling
Via the CLI
Audit file backend can be enabled by the following command.
$ vault audit-enable file path=/var/log/vault_audit.log
Any number of file audit logs can be created by enabling it with different ids.
$ vault audit-enable -id="file_backend" file path=/home/user/vault_audit.log
Note the difference between audit-enable command options and the file backend
configuration options. Use vault audit-enable -help to see the command options.
Following are the configuration options available for the backend.
- Backend configuration options
-
- path required The path to where the audit log will be written. If this path exists, the audit backend will append to it.
- log_raw optional A boolean, if set, logs the security sensitive information without hashing, in the raw format. Defaults to `false`.
- hash_accessor optional A boolean, if set, skips the hashing of token accessor. This option is useful only when `log_raw` is `false`.