netbox/docs/configuration/system.md

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# System Parameters
## BASE_PATH
Default: None
The base URL path to use when accessing NetBox. Do not include the scheme or domain name. For example, if installed at https://example.com/netbox/, set:
```python
BASE_PATH = 'netbox/'
```
---
## DEFAULT_LANGUAGE
Default: `en-us` (US English)
Defines the default preferred language/locale for requests that do not specify one. (This parameter maps to Django's [`LANGUAGE_CODE`](https://docs.djangoproject.com/en/stable/ref/settings/#language-code) internal setting.)
---
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## DOCS_ROOT
Default: `$INSTALL_ROOT/docs/`
The filesystem path to NetBox's documentation. This is used when presenting context-sensitive documentation in the web UI. By default, this will be the `docs/` directory within the root NetBox installation path. (Set this to `None` to disable the embedded documentation.)
---
## EMAIL
In order to send email, NetBox needs an email server configured. The following items can be defined within the `EMAIL` configuration parameter:
* `SERVER` - Hostname or IP address of the email server (use `localhost` if running locally)
* `PORT` - TCP port to use for the connection (default: `25`)
* `USERNAME` - Username with which to authenticate
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* `PASSWORD` - Password with which to authenticate
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* `USE_SSL` - Use SSL when connecting to the server (default: `False`)
* `USE_TLS` - Use TLS when connecting to the server (default: `False`)
* `SSL_CERTFILE` - Path to the PEM-formatted SSL certificate file (optional)
* `SSL_KEYFILE` - Path to the PEM-formatted SSL private key file (optional)
* `TIMEOUT` - Amount of time to wait for a connection, in seconds (default: `10`)
* `FROM_EMAIL` - Sender address for emails sent by NetBox
!!! note
The `USE_SSL` and `USE_TLS` parameters are mutually exclusive.
Email is sent from NetBox only for critical events or if configured for [logging](#logging). If you would like to test the email server configuration, Django provides a convenient [send_mail()](https://docs.djangoproject.com/en/stable/topics/email/#send-mail) function accessible within the NetBox shell:
```no-highlight
# python ./manage.py nbshell
>>> from django.core.mail import send_mail
>>> send_mail(
'Test Email Subject',
'Test Email Body',
'noreply-netbox@example.com',
['users@example.com'],
fail_silently=False
)
```
---
## HTTP_PROXIES
Default: None
A dictionary of HTTP proxies to use for outbound requests originating from NetBox (e.g. when sending webhook requests). Proxies should be specified by schema (HTTP and HTTPS) as per the [Python requests library documentation](https://requests.readthedocs.io/en/latest/user/advanced/#proxies). For example:
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```python
HTTP_PROXIES = {
'http': 'http://10.10.1.10:3128',
'https': 'http://10.10.1.10:1080',
}
```
---
## INTERNAL_IPS
Default: `('127.0.0.1', '::1')`
A list of IP addresses recognized as internal to the system, used to control the display of debugging output. For
example, the debugging toolbar will be viewable only when a client is accessing NetBox from one of the listed IP
addresses (and [`DEBUG`](#debug) is true).
---
## JINJA2_FILTERS
Default: `{}`
A dictionary of custom jinja2 filters with the key being the filter name and the value being a callable. For more information see the [Jinja2 documentation](https://jinja.palletsprojects.com/en/3.1.x/api/#custom-filters). For example:
```python
def uppercase(x):
return str(x).upper()
JINJA2_FILTERS = {
'uppercase': uppercase,
}
```
---
## LOGGING
By default, all messages of INFO severity or higher will be logged to the console. Additionally, if [`DEBUG`](#debug) is False and email access has been configured, ERROR and CRITICAL messages will be emailed to the users defined in [`ADMINS`](#admins).
The Django framework on which NetBox runs allows for the customization of logging format and destination. Please consult the [Django logging documentation](https://docs.djangoproject.com/en/stable/topics/logging/) for more information on configuring this setting. Below is an example which will write all INFO and higher messages to a local file:
```python
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'file': {
'level': 'INFO',
'class': 'logging.FileHandler',
'filename': '/var/log/netbox.log',
},
},
'loggers': {
'django': {
'handlers': ['file'],
'level': 'INFO',
},
},
}
```
### Available Loggers
* `netbox.<app>.<model>` - Generic form for model-specific log messages
* `netbox.auth.*` - Authentication events
* `netbox.api.views.*` - Views which handle business logic for the REST API
* `netbox.reports.*` - Report execution (`module.name`)
* `netbox.scripts.*` - Custom script execution (`module.name`)
* `netbox.views.*` - Views which handle business logic for the web UI
---
## MEDIA_ROOT
Default: $INSTALL_ROOT/netbox/media/
The file path to the location where media files (such as image attachments) are stored. By default, this is the `netbox/media/` directory within the base NetBox installation path.
---
## REPORTS_ROOT
Default: `$INSTALL_ROOT/netbox/reports/`
The file path to the location where [custom reports](../customization/reports.md) will be kept. By default, this is the `netbox/reports/` directory within the base NetBox installation path.
---
## SCRIPTS_ROOT
Default: `$INSTALL_ROOT/netbox/scripts/`
The file path to the location where [custom scripts](../customization/custom-scripts.md) will be kept. By default, this is the `netbox/scripts/` directory within the base NetBox installation path.
---
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## SEARCH_BACKEND
Default: `'netbox.search.backends.CachedValueSearchBackend'`
The dotted path to the desired search backend class. `CachedValueSearchBackend` is currently the only search backend provided in NetBox, however this setting can be used to enable a custom backend.
---
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## STORAGE_BACKEND
Default: None (local storage)
The backend storage engine for handling uploaded files (e.g. image attachments). NetBox supports integration with the [`django-storages`](https://django-storages.readthedocs.io/en/stable/) package, which provides backends for several popular file storage services. If not configured, local filesystem storage will be used.
The configuration parameters for the specified storage backend are defined under the `STORAGE_CONFIG` setting.
---
## STORAGE_CONFIG
Default: Empty
A dictionary of configuration parameters for the storage backend configured as `STORAGE_BACKEND`. The specific parameters to be used here are specific to each backend; see the [`django-storages` documentation](https://django-storages.readthedocs.io/en/stable/) for more detail.
If `STORAGE_BACKEND` is not defined, this setting will be ignored.
---
## TIME_ZONE
Default: UTC
The time zone NetBox will use when dealing with dates and times. It is recommended to use UTC time unless you have a specific need to use a local time zone. Please see the [list of available time zones](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones).