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Here are the main customizable options in Authelia.

Host & Port

optional: true

Defines the address and port to listen on.

port: 9091

Note: If utilising an IPv6 literal address it must be enclosed by square brackets and quoted:

host: "[fd00:1111:2222:3333::1]"


optional: true

Authelia can use TLS. Provide the certificate and the key with the following configuration options:

tls_key: /config/ssl/key.pem
tls_cert: /config/ssl/cert.pem

Certificates Directory

optional: true

This option defines the location of additional certificates to load into the trust chain specifically for Authelia. This currently affects both the SMTP notifier and the LDAP authentication backend. The certificates should all be in the PEM format and end with the extension .pem, .crt, or .cer. You can either add the individual certificates public key or the CA public key which signed them (don’t add the private key).


Log level

optional: true

Defines the level of logs used by Authelia. This level can be set to trace, debug or info. When setting log_level to trace, you will generate a large amount of log entries and expose the /debug/vars and /debug/pprof/ endpoints which should not be enabled in production.

log_level: debug

Log format

optional: true

Defines the format of the logs written by Authelia. This format can be set to json or text.

log_format: json

JSON format

{"level":"info","msg":"Logging severity set to info","time":"2020-01-01T00:00:00+11:00"}
{"level":"info","msg":"Authelia is listening for non-TLS connections on","time":"2020-01-01T00:00:00+11:00"}

Text format

time="2020-01-01T00:00:00+11:00" level=info msg="Logging severity set to info"
time="2020-01-01T00:00:00+11:00" level=info msg="Authelia is listening for non-TLS connections on"

Log file path

optional: true

Logs can be stored in a file when file path is provided. Otherwise logs are written to standard output. When setting the log_level to debug or trace this will generate large amount of log entries. Administrators will need to ensure that they rotate and/or truncate the logs over time to prevent significant long-term disk usage.

log_file_path: /config/authelia.log

JWT Secret

optional: false

Defines the secret used to craft JWT tokens leveraged by the identity verification process. This can also be defined using a secret.

jwt_secret: v3ry_important_s3cr3t

Default redirection URL

optional: true

The default redirection URL is the URL where users are redirected when Authelia cannot detect the target URL where the user was heading.

In a normal authentication workflow, a user tries to access a website and she gets redirected to the sign-in portal in order to authenticate. Since the user initially targeted a website, the portal knows where the user was heading and can redirect her after the authentication process. However, when a user visits the sign in portal directly, the portal considers the targeted website is the portal. In that case and if the default redirection URL is configured, the user is redirected to that URL. If not defined, the user is not redirected after authentication.