All configuration

Complete list of all build options and configuration for Keycloak

Cache

Value

cache

Defines the cache mechanism for high-availability.

By default in production mode, a ispn cache is used to create a cluster between multiple server nodes. By default in development mode, a local cache disables clustering and is intended for development and testing purposes.

CLI: --cache
Env: KC_CACHE

ispn (default), local

cache-config-file

Defines the file from which cache configuration should be loaded from.

The configuration file is relative to the conf/ directory.

CLI: --cache-config-file
Env: KC_CACHE_CONFIG_FILE

cache-embedded-authorization-max-count

The maximum number of entries that can be stored in-memory by the authorization cache.

CLI: --cache-embedded-authorization-max-count
Env: KC_CACHE_EMBEDDED_AUTHORIZATION_MAX_COUNT

cache-embedded-client-sessions-max-count

The maximum number of entries that can be stored in-memory by the clientSessions cache.

CLI: --cache-embedded-client-sessions-max-count
Env: KC_CACHE_EMBEDDED_CLIENT_SESSIONS_MAX_COUNT

Available only when embedded Infinispan clusters configured

cache-embedded-keys-max-count

The maximum number of entries that can be stored in-memory by the keys cache.

CLI: --cache-embedded-keys-max-count
Env: KC_CACHE_EMBEDDED_KEYS_MAX_COUNT

cache-embedded-mtls-enabled

Encrypts the network communication between Keycloak servers.

CLI: --cache-embedded-mtls-enabled
Env: KC_CACHE_EMBEDDED_MTLS_ENABLED

true, false (default)

cache-embedded-mtls-key-store-file

The Keystore file path.

The Keystore must contain the certificate to use by the TLS protocol. By default, it lookup cache-mtls-keystore.p12 under conf/ directory.

CLI: --cache-embedded-mtls-key-store-file
Env: KC_CACHE_EMBEDDED_MTLS_KEY_STORE_FILE

cache-embedded-mtls-key-store-password

The password to access the Keystore.

CLI: --cache-embedded-mtls-key-store-password
Env: KC_CACHE_EMBEDDED_MTLS_KEY_STORE_PASSWORD

cache-embedded-mtls-trust-store-file

The Truststore file path.

It should contain the trusted certificates or the Certificate Authority that signed the certificates. By default, it lookup cache-mtls-truststore.p12 under conf/ directory.

CLI: --cache-embedded-mtls-trust-store-file
Env: KC_CACHE_EMBEDDED_MTLS_TRUST_STORE_FILE

cache-embedded-mtls-trust-store-password

The password to access the Truststore.

CLI: --cache-embedded-mtls-trust-store-password
Env: KC_CACHE_EMBEDDED_MTLS_TRUST_STORE_PASSWORD

cache-embedded-offline-client-sessions-max-count

The maximum number of entries that can be stored in-memory by the offlineClientSessions cache.

CLI: --cache-embedded-offline-client-sessions-max-count
Env: KC_CACHE_EMBEDDED_OFFLINE_CLIENT_SESSIONS_MAX_COUNT

Available only when embedded Infinispan clusters configured

cache-embedded-offline-sessions-max-count

The maximum number of entries that can be stored in-memory by the offlineSessions cache.

CLI: --cache-embedded-offline-sessions-max-count
Env: KC_CACHE_EMBEDDED_OFFLINE_SESSIONS_MAX_COUNT

Available only when embedded Infinispan clusters configured

cache-embedded-realms-max-count

The maximum number of entries that can be stored in-memory by the realms cache.

CLI: --cache-embedded-realms-max-count
Env: KC_CACHE_EMBEDDED_REALMS_MAX_COUNT

cache-embedded-sessions-max-count

The maximum number of entries that can be stored in-memory by the sessions cache.

CLI: --cache-embedded-sessions-max-count
Env: KC_CACHE_EMBEDDED_SESSIONS_MAX_COUNT

Available only when embedded Infinispan clusters configured

cache-embedded-users-max-count

The maximum number of entries that can be stored in-memory by the users cache.

CLI: --cache-embedded-users-max-count
Env: KC_CACHE_EMBEDDED_USERS_MAX_COUNT

cache-metrics-histograms-enabled

Enable histograms for metrics for the embedded caches.

CLI: --cache-metrics-histograms-enabled
Env: KC_CACHE_METRICS_HISTOGRAMS_ENABLED

Available only when metrics are enabled

true, false (default)

cache-remote-host

The hostname of the remote server for the remote store configuration.

It replaces the host attribute of remote-server tag of the configuration specified via XML file (see cache-config-file option.). If the option is specified, cache-remote-username and cache-remote-password are required as well and the related configuration in XML file should not be present.

CLI: --cache-remote-host
Env: KC_CACHE_REMOTE_HOST

cache-remote-password

The password for the authentication to the remote server for the remote store.

It replaces the password attribute of digest tag of the configuration specified via XML file (see cache-config-file option.). If the option is specified, cache-remote-username is required as well and the related configuration in XML file should not be present.

CLI: --cache-remote-password
Env: KC_CACHE_REMOTE_PASSWORD

Available only when remote host is set

cache-remote-port

The port of the remote server for the remote store configuration.

It replaces the port attribute of remote-server tag of the configuration specified via XML file (see cache-config-file option.).

CLI: --cache-remote-port
Env: KC_CACHE_REMOTE_PORT

Available only when remote host is set

11222 (default)

cache-remote-tls-enabled

Enable TLS support to communicate with a secured remote Infinispan server.

Recommended to be enabled in production.

CLI: --cache-remote-tls-enabled
Env: KC_CACHE_REMOTE_TLS_ENABLED

Available only when remote host is set

true (default), false

cache-remote-username

The username for the authentication to the remote server for the remote store.

It replaces the username attribute of digest tag of the configuration specified via XML file (see cache-config-file option.). If the option is specified, cache-remote-password is required as well and the related configuration in XML file should not be present.

CLI: --cache-remote-username
Env: KC_CACHE_REMOTE_USERNAME

Available only when remote host is set

cache-stack

Define the default stack to use for cluster communication and node discovery.

This option only takes effect if cache is set to ispn. Default: udp.

CLI: --cache-stack
Env: KC_CACHE_STACK

tcp, udp, kubernetes, ec2, azure, google, or any

Config

Value

config-keystore

Specifies a path to the KeyStore Configuration Source.

CLI: --config-keystore
Env: KC_CONFIG_KEYSTORE

config-keystore-password

Specifies a password to the KeyStore Configuration Source.

CLI: --config-keystore-password
Env: KC_CONFIG_KEYSTORE_PASSWORD

config-keystore-type

Specifies a type of the KeyStore Configuration Source.

CLI: --config-keystore-type
Env: KC_CONFIG_KEYSTORE_TYPE

PKCS12 (default)

Database

Value

db

The database vendor.

CLI: --db
Env: KC_DB

dev-file (default), dev-mem, mariadb, mssql, mysql, oracle, postgres

db-driver

The fully qualified class name of the JDBC driver.

If not set, a default driver is set accordingly to the chosen database.

CLI: --db-driver
Env: KC_DB_DRIVER

db-password

The password of the database user.

CLI: --db-password
Env: KC_DB_PASSWORD

db-pool-initial-size

The initial size of the connection pool.

CLI: --db-pool-initial-size
Env: KC_DB_POOL_INITIAL_SIZE

db-pool-max-size

The maximum size of the connection pool.

CLI: --db-pool-max-size
Env: KC_DB_POOL_MAX_SIZE

100 (default)

db-pool-min-size

The minimal size of the connection pool.

CLI: --db-pool-min-size
Env: KC_DB_POOL_MIN_SIZE

db-schema

The database schema to be used.

CLI: --db-schema
Env: KC_DB_SCHEMA

db-url

The full database JDBC URL.

If not provided, a default URL is set based on the selected database vendor. For instance, if using postgres, the default JDBC URL would be jdbc:postgresql://localhost/keycloak.

CLI: --db-url
Env: KC_DB_URL

db-url-database

Sets the database name of the default JDBC URL of the chosen vendor.

If the db-url option is set, this option is ignored.

CLI: --db-url-database
Env: KC_DB_URL_DATABASE

db-url-host

Sets the hostname of the default JDBC URL of the chosen vendor.

If the db-url option is set, this option is ignored.

CLI: --db-url-host
Env: KC_DB_URL_HOST

db-url-port

Sets the port of the default JDBC URL of the chosen vendor.

If the db-url option is set, this option is ignored.

CLI: --db-url-port
Env: KC_DB_URL_PORT

db-url-properties

Sets the properties of the default JDBC URL of the chosen vendor.

Make sure to set the properties accordingly to the format expected by the database vendor, as well as appending the right character at the beginning of this property value. If the db-url option is set, this option is ignored.

CLI: --db-url-properties
Env: KC_DB_URL_PROPERTIES

db-username

The username of the database user.

CLI: --db-username
Env: KC_DB_USERNAME

Transaction

Value

transaction-xa-enabled

If set to true, XA datasources will be used.

CLI: --transaction-xa-enabled
Env: KC_TRANSACTION_XA_ENABLED

true, false (default)

Feature

Value

features

Enables a set of one or more features.

CLI: --features
Env: KC_FEATURES

account-api[:v1], account[:v3], admin-api[:v1], admin-fine-grained-authz[:v1], admin[:v2], authorization[:v1], cache-embedded-remote-store[:v1], ciba[:v1], client-policies[:v1], client-secret-rotation[:v1], client-types[:v1], clusterless[:v1], declarative-ui[:v1], device-flow[:v1], docker[:v1], dpop[:v1], dynamic-scopes[:v1], fips[:v1], hostname[:v2], impersonation[:v1], kerberos[:v1], login[:v2,v1], multi-site[:v1], oid4vc-vci[:v1], opentelemetry[:v1], organization[:v1], par[:v1], passkeys[:v1], persistent-user-sessions[:v1], preview, recovery-codes[:v1], scripts[:v1], step-up-authentication[:v1], token-exchange[:v1], transient-users[:v1], update-email[:v1], web-authn[:v1]

features-disabled

Disables a set of one or more features.

CLI: --features-disabled
Env: KC_FEATURES_DISABLED

account, account-api, admin, admin-api, admin-fine-grained-authz, authorization, cache-embedded-remote-store, ciba, client-policies, client-secret-rotation, client-types, clusterless, declarative-ui, device-flow, docker, dpop, dynamic-scopes, fips, impersonation, kerberos, login, multi-site, oid4vc-vci, opentelemetry, organization, par, passkeys, persistent-user-sessions, preview, recovery-codes, scripts, step-up-authentication, token-exchange, transient-users, update-email, web-authn

Hostname v2

Value

hostname

Address at which is the server exposed.

Can be a full URL, or just a hostname. When only hostname is provided, scheme, port and context path are resolved from the request.

CLI: --hostname
Env: KC_HOSTNAME

Available only when hostname:v2 feature is enabled

hostname-admin

Address for accessing the administration console.

Use this option if you are exposing the administration console using a reverse proxy on a different address than specified in the hostname option.

CLI: --hostname-admin
Env: KC_HOSTNAME_ADMIN

Available only when hostname:v2 feature is enabled

hostname-backchannel-dynamic

Enables dynamic resolving of backchannel URLs, including hostname, scheme, port and context path.

Set to true if your application accesses Keycloak via a private network. If set to true, hostname option needs to be specified as a full URL.

CLI: --hostname-backchannel-dynamic
Env: KC_HOSTNAME_BACKCHANNEL_DYNAMIC

Available only when hostname:v2 feature is enabled

true, false (default)

hostname-debug

Toggles the hostname debug page that is accessible at /realms/master/hostname-debug.

CLI: --hostname-debug
Env: KC_HOSTNAME_DEBUG

Available only when hostname:v2 feature is enabled

true, false (default)

hostname-strict

Disables dynamically resolving the hostname from request headers.

Should always be set to true in production, unless your reverse proxy overwrites the Host header. If enabled, the hostname option needs to be specified.

CLI: --hostname-strict
Env: KC_HOSTNAME_STRICT

Available only when hostname:v2 feature is enabled

true (default), false

HTTP(S)

Value

http-enabled

Enables the HTTP listener.

CLI: --http-enabled
Env: KC_HTTP_ENABLED

true, false (default)

http-host

The used HTTP Host.

CLI: --http-host
Env: KC_HTTP_HOST

0.0.0.0 (default)

http-max-queued-requests

Maximum number of queued HTTP requests.

Use this to shed load in an overload situation. Excess requests will return a "503 Server not Available" response.

CLI: --http-max-queued-requests
Env: KC_HTTP_MAX_QUEUED_REQUESTS

http-metrics-histograms-enabled

Enables a histogram with default buckets for the duration of HTTP server requests.

CLI: --http-metrics-histograms-enabled
Env: KC_HTTP_METRICS_HISTOGRAMS_ENABLED

Available only when metrics are enabled

true, false (default)

http-metrics-slos

Service level objectives for HTTP server requests.

Use this instead of the default histogram, or use it in combination to add additional buckets. Specify a list of comma-separated values defined in milliseconds. Example with buckets from 5ms to 10s: 5,10,25,50,250,500,1000,2500,5000,10000

CLI: --http-metrics-slos
Env: KC_HTTP_METRICS_SLOS

Available only when metrics are enabled

http-pool-max-threads

The maximum number of threads.

If this is not specified then it will be automatically sized to the greater of 4 * the number of available processors and 50. For example if there are 4 processors the max threads will be 50. If there are 48 processors it will be 192.

CLI: --http-pool-max-threads
Env: KC_HTTP_POOL_MAX_THREADS

http-port

The used HTTP port.

CLI: --http-port
Env: KC_HTTP_PORT

8080 (default)

http-relative-path

Set the path relative to / for serving resources.

The path must start with a /.

CLI: --http-relative-path
Env: KC_HTTP_RELATIVE_PATH

/ (default)

https-certificate-file

The file path to a server certificate or certificate chain in PEM format.

CLI: --https-certificate-file
Env: KC_HTTPS_CERTIFICATE_FILE

https-certificate-key-file

The file path to a private key in PEM format.

CLI: --https-certificate-key-file
Env: KC_HTTPS_CERTIFICATE_KEY_FILE

https-certificates-reload-period

Interval on which to reload key store, trust store, and certificate files referenced by https-* options.

May be a java.time.Duration value, an integer number of seconds, or an integer followed by one of [ms, h, m, s, d]. Must be greater than 30 seconds. Use -1 to disable.

CLI: --https-certificates-reload-period
Env: KC_HTTPS_CERTIFICATES_RELOAD_PERIOD

1h (default)

https-cipher-suites

The cipher suites to use.

If none is given, a reasonable default is selected.

CLI: --https-cipher-suites
Env: KC_HTTPS_CIPHER_SUITES

https-client-auth

Configures the server to require/request client authentication.

CLI: --https-client-auth
Env: KC_HTTPS_CLIENT_AUTH

none (default), request, required

https-key-store-file

The key store which holds the certificate information instead of specifying separate files.

CLI: --https-key-store-file
Env: KC_HTTPS_KEY_STORE_FILE

https-key-store-password

The password of the key store file.

CLI: --https-key-store-password
Env: KC_HTTPS_KEY_STORE_PASSWORD

password (default)

https-key-store-type

The type of the key store file.

If not given, the type is automatically detected based on the file extension. If fips-mode is set to strict and no value is set, it defaults to BCFKS.

CLI: --https-key-store-type
Env: KC_HTTPS_KEY_STORE_TYPE

https-port

The used HTTPS port.

CLI: --https-port
Env: KC_HTTPS_PORT

8443 (default)

https-protocols

The list of protocols to explicitly enable.

CLI: --https-protocols
Env: KC_HTTPS_PROTOCOLS

[TLSv1.3,TLSv1.2] (default)

https-trust-store-file

The trust store which holds the certificate information of the certificates to trust.

CLI: --https-trust-store-file
Env: KC_HTTPS_TRUST_STORE_FILE

https-trust-store-password

The password of the trust store file.

CLI: --https-trust-store-password
Env: KC_HTTPS_TRUST_STORE_PASSWORD

https-trust-store-type

The type of the trust store file.

If not given, the type is automatically detected based on the file extension. If fips-mode is set to strict and no value is set, it defaults to BCFKS.

CLI: --https-trust-store-type
Env: KC_HTTPS_TRUST_STORE_TYPE

Health

Value

health-enabled

If the server should expose health check endpoints.

If enabled, health checks are available at the /health, /health/ready and /health/live endpoints.

CLI: --health-enabled
Env: KC_HEALTH_ENABLED

true, false (default)

Management

Value

http-management-port

Port of the management interface.

Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --http-management-port
Env: KC_HTTP_MANAGEMENT_PORT

9000 (default)

http-management-relative-path

Set the path relative to / for serving resources from management interface.

The path must start with a /. If not given, the value is inherited from HTTP options. Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --http-management-relative-path
Env: KC_HTTP_MANAGEMENT_RELATIVE_PATH

/ (default)

https-management-certificate-file

The file path to a server certificate or certificate chain in PEM format for the management server.

If not given, the value is inherited from HTTP options. Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --https-management-certificate-file
Env: KC_HTTPS_MANAGEMENT_CERTIFICATE_FILE

https-management-certificate-key-file

The file path to a private key in PEM format for the management server.

If not given, the value is inherited from HTTP options. Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --https-management-certificate-key-file
Env: KC_HTTPS_MANAGEMENT_CERTIFICATE_KEY_FILE

https-management-client-auth

Configures the management interface to require/request client authentication.

If not given, the value is inherited from HTTP options. Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --https-management-client-auth
Env: KC_HTTPS_MANAGEMENT_CLIENT_AUTH

none (default), request, required

https-management-key-store-file

The key store which holds the certificate information instead of specifying separate files for the management server.

If not given, the value is inherited from HTTP options. Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --https-management-key-store-file
Env: KC_HTTPS_MANAGEMENT_KEY_STORE_FILE

https-management-key-store-password

The password of the key store file for the management server.

If not given, the value is inherited from HTTP options. Relevant only when something is exposed on the management interface - see the guide for details.

CLI: --https-management-key-store-password
Env: KC_HTTPS_MANAGEMENT_KEY_STORE_PASSWORD

password (default)

legacy-observability-interface

If metrics/health endpoints should be exposed on the main HTTP server (not recommended).

If set to true, the management interface is disabled.

CLI: --legacy-observability-interface
Env: KC_LEGACY_OBSERVABILITY_INTERFACE

DEPRECATED.

true, false (default)

Metrics

Value

metrics-enabled

If the server should expose metrics.

If enabled, metrics are available at the /metrics endpoint.

CLI: --metrics-enabled
Env: KC_METRICS_ENABLED

true, false (default)

Proxy

Value

proxy-headers

The proxy headers that should be accepted by the server.

Misconfiguration might leave the server exposed to security vulnerabilities. Takes precedence over the deprecated proxy option.

CLI: --proxy-headers
Env: KC_PROXY_HEADERS

forwarded, xforwarded

proxy-protocol-enabled

Whether the server should use the HA PROXY protocol when serving requests from behind a proxy.

When set to true, the remote address returned will be the one from the actual connecting client.

CLI: --proxy-protocol-enabled
Env: KC_PROXY_PROTOCOL_ENABLED

true, false (default)

proxy-trusted-addresses

A comma separated list of trusted proxy addresses.

If set, then proxy headers from other addresses will be ignored. By default all addresses are trusted. A trusted proxy address is specified as an IP address (IPv4 or IPv6) or Classless Inter-Domain Routing (CIDR) notation. Available only when proxy-headers is set.

CLI: --proxy-trusted-addresses
Env: KC_PROXY_TRUSTED_ADDRESSES

Vault

Value

vault

Enables a vault provider.

CLI: --vault
Env: KC_VAULT

file, keystore

vault-dir

If set, secrets can be obtained by reading the content of files within the given directory.

CLI: --vault-dir
Env: KC_VAULT_DIR

vault-file

Path to the keystore file.

CLI: --vault-file
Env: KC_VAULT_FILE

vault-pass

Password for the vault keystore.

CLI: --vault-pass
Env: KC_VAULT_PASS

vault-type

Specifies the type of the keystore file.

CLI: --vault-type
Env: KC_VAULT_TYPE

PKCS12 (default)

Logging

Value

log

Enable one or more log handlers in a comma-separated list.

CLI: --log
Env: KC_LOG

console, file, syslog

log-console-color

Enable or disable colors when logging to console.

CLI: --log-console-color
Env: KC_LOG_CONSOLE_COLOR

Available only when Console log handler is activated

true, false (default)

log-console-format

The format of unstructured console log entries.

If the format has spaces in it, escape the value using "<format>".

CLI: --log-console-format
Env: KC_LOG_CONSOLE_FORMAT

Available only when Console log handler is activated

%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p [%c] (%t) %s%e%n (default)

log-console-include-trace

Include tracing information in the console log.

If the log-console-format option is specified, this option has no effect.

CLI: --log-console-include-trace
Env: KC_LOG_CONSOLE_INCLUDE_TRACE

Available only when Console log handler and Tracing is activated

true (default), false

log-console-level

Set the log level for the console handler.

It specifies the most verbose log level for logs shown in the output. It respects levels specified in the log-level option, which represents the maximal verbosity for the whole logging system. For more information, check the Logging guide.

CLI: --log-console-level
Env: KC_LOG_CONSOLE_LEVEL

Available only when Console log handler is activated

off, fatal, error, warn, info, debug, trace, all (default)

log-console-output

Set the log output to JSON or default (plain) unstructured logging.

CLI: --log-console-output
Env: KC_LOG_CONSOLE_OUTPUT

Available only when Console log handler is activated

default (default), json

log-file

Set the log file path and filename.

CLI: --log-file
Env: KC_LOG_FILE

Available only when File log handler is activated

data/log/keycloak.log (default)

log-file-format

Set a format specific to file log entries.

CLI: --log-file-format
Env: KC_LOG_FILE_FORMAT

Available only when File log handler is activated

%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p [%c] (%t) %s%e%n (default)

log-file-include-trace

Include tracing information in the file log.

If the log-file-format option is specified, this option has no effect.

CLI: --log-file-include-trace
Env: KC_LOG_FILE_INCLUDE_TRACE

Available only when File log handler and Tracing is activated

true (default), false

log-file-level

Set the log level for the file handler.

It specifies the most verbose log level for logs shown in the output. It respects levels specified in the log-level option, which represents the maximal verbosity for the whole logging system. For more information, check the Logging guide.

CLI: --log-file-level
Env: KC_LOG_FILE_LEVEL

Available only when File log handler is activated

off, fatal, error, warn, info, debug, trace, all (default)

log-file-output

Set the log output to JSON or default (plain) unstructured logging.

CLI: --log-file-output
Env: KC_LOG_FILE_OUTPUT

Available only when File log handler is activated

default (default), json

log-level

The log level of the root category or a comma-separated list of individual categories and their levels.

For the root category, you don’t need to specify a category.

CLI: --log-level
Env: KC_LOG_LEVEL

[info] (default)

log-syslog-app-name

Set the app name used when formatting the message in RFC5424 format.

CLI: --log-syslog-app-name
Env: KC_LOG_SYSLOG_APP_NAME

Available only when Syslog is activated

keycloak (default)

log-syslog-endpoint

Set the IP address and port of the Syslog server.

CLI: --log-syslog-endpoint
Env: KC_LOG_SYSLOG_ENDPOINT

Available only when Syslog is activated

localhost:514 (default)

log-syslog-format

Set a format specific to Syslog entries.

CLI: --log-syslog-format
Env: KC_LOG_SYSLOG_FORMAT

Available only when Syslog is activated

%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p [%c] (%t) %s%e%n (default)

log-syslog-include-trace

Include tracing information in the Syslog.

If the log-syslog-format option is specified, this option has no effect.

CLI: --log-syslog-include-trace
Env: KC_LOG_SYSLOG_INCLUDE_TRACE

Available only when Syslog handler and Tracing is activated

true (default), false

log-syslog-level

Set the log level for the Syslog handler.

It specifies the most verbose log level for logs shown in the output. It respects levels specified in the log-level option, which represents the maximal verbosity for the whole logging system. For more information, check the Logging guide.

CLI: --log-syslog-level
Env: KC_LOG_SYSLOG_LEVEL

Available only when Syslog is activated

off, fatal, error, warn, info, debug, trace, all (default)

log-syslog-max-length

Set the maximum length, in bytes, of the message allowed to be sent.

The length includes the header and the message. If not set, the default value is 2048 when log-syslog-type is rfc5424 (default) and 1024 when log-syslog-type is rfc3164.

CLI: --log-syslog-max-length
Env: KC_LOG_SYSLOG_MAX_LENGTH

Available only when Syslog is activated

log-syslog-output

Set the Syslog output to JSON or default (plain) unstructured logging.

CLI: --log-syslog-output
Env: KC_LOG_SYSLOG_OUTPUT

Available only when Syslog is activated

default (default), json

log-syslog-protocol

Set the protocol used to connect to the Syslog server.

CLI: --log-syslog-protocol
Env: KC_LOG_SYSLOG_PROTOCOL

Available only when Syslog is activated

tcp (default), udp, ssl-tcp

log-syslog-type

Set the Syslog type used to format the sent message.

CLI: --log-syslog-type
Env: KC_LOG_SYSLOG_TYPE

Available only when Syslog is activated

rfc5424 (default), rfc3164

Tracing (Preview)

Value

tracing-compression

Preview: OpenTelemetry compression method used to compress payloads.

If unset, compression is disabled.

CLI: --tracing-compression
Env: KC_TRACING_COMPRESSION

Available only when 'opentelemetry' feature and Tracing is enabled

gzip, none (default)

tracing-enabled

Preview: Enables the OpenTelemetry tracing.

CLI: --tracing-enabled
Env: KC_TRACING_ENABLED

Available only when 'opentelemetry' feature is enabled

true, false (default)

tracing-endpoint

Preview: OpenTelemetry endpoint to connect to.

CLI: --tracing-endpoint
Env: KC_TRACING_ENDPOINT

Available only when 'opentelemetry' feature and Tracing is enabled

http://localhost:4317 (default)

tracing-jdbc-enabled

Preview: Enables the OpenTelemetry JDBC tracing.

CLI: --tracing-jdbc-enabled
Env: KC_TRACING_JDBC_ENABLED

Available only when 'opentelemetry' feature and Tracing is enabled

true (default), false

tracing-protocol

Preview: OpenTelemetry protocol used for the telemetry data.

CLI: --tracing-protocol
Env: KC_TRACING_PROTOCOL

Available only when 'opentelemetry' feature and Tracing is enabled

grpc (default), http/protobuf

tracing-resource-attributes

Preview: OpenTelemetry resource attributes present in the exported trace to characterize the telemetry producer.

Values in format key1=val1,key2=val2. For more information, check the Tracing guide.

CLI: --tracing-resource-attributes
Env: KC_TRACING_RESOURCE_ATTRIBUTES

Available only when 'opentelemetry' feature and Tracing is enabled

tracing-sampler-ratio

Preview: OpenTelemetry sampler ratio.

Probability that a span will be sampled. Expected double value in interval <0,1).

CLI: --tracing-sampler-ratio
Env: KC_TRACING_SAMPLER_RATIO

Available only when 'opentelemetry' feature and Tracing is enabled

1.0 (default)

tracing-sampler-type

Preview: OpenTelemetry sampler to use for tracing.

CLI: --tracing-sampler-type
Env: KC_TRACING_SAMPLER_TYPE

Available only when 'opentelemetry' feature and Tracing is enabled

always_on, always_off, traceidratio (default), parentbased_always_on, parentbased_always_off, parentbased_traceidratio

tracing-service-name

Preview: OpenTelemetry service name.

Takes precedence over service.name defined in the tracing-resource-attributes property.

CLI: --tracing-service-name
Env: KC_TRACING_SERVICE_NAME

Available only when 'opentelemetry' feature and Tracing is enabled

keycloak (default)

Truststore

Value

tls-hostname-verifier

The TLS hostname verification policy for out-going HTTPS and SMTP requests.

CLI: --tls-hostname-verifier
Env: KC_TLS_HOSTNAME_VERIFIER

STRICT and WILDCARD have been deprecated, use DEFAULT instead. Deprecated values: STRICT, WILDCARD

ANY, WILDCARD, STRICT, DEFAULT (default)

truststore-paths

List of pkcs12 (p12 or pfx file extensions), PEM files, or directories containing those files that will be used as a system truststore.

CLI: --truststore-paths
Env: KC_TRUSTSTORE_PATHS

Security

Value

fips-mode

Sets the FIPS mode.

If non-strict is set, FIPS is enabled but on non-approved mode. For full FIPS compliance, set strict to run on approved mode. This option defaults to disabled when fips feature is disabled, which is by default. This option defaults to non-strict when fips feature is enabled.

CLI: --fips-mode
Env: KC_FIPS_MODE

non-strict, strict

Export

Value

dir

Set the path to a directory where files will be created with the exported data.

CLI: --dir
Env: KC_DIR

file

Set the path to a file that will be created with the exported data.

To export more than 500 users, export to a directory with different files instead.

CLI: --file
Env: KC_FILE

realm

Set the name of the realm to export.

If not set, all realms are going to be exported.

CLI: --realm
Env: KC_REALM

users

Set how users should be exported.

CLI: --users
Env: KC_USERS

skip, realm_file, same_file, different_files (default)

users-per-file

Set the number of users per file.

It is used only if users is set to different_files. Increasing this number leads to exponentially increasing export times.

CLI: --users-per-file
Env: KC_USERS_PER_FILE

50 (default)

Import

Value

dir

Set the path to a directory where files will be read from.

CLI: --dir
Env: KC_DIR

file

Set the path to a file that will be read.

CLI: --file
Env: KC_FILE

override

Set if existing data should be overwritten.

If set to false, data will be ignored.

CLI: --override
Env: KC_OVERRIDE

true (default), false

Bootstrap Admin

Value

bootstrap-admin-client-id

Client id for the temporary bootstrap admin service account.

Used only when the master realm is created. Available only when bootstrap admin client secret is set.

CLI: --bootstrap-admin-client-id
Env: KC_BOOTSTRAP_ADMIN_CLIENT_ID

temp-admin (default)

bootstrap-admin-client-secret

Client secret for the temporary bootstrap admin service account.

Used only when the master realm is created. Use a non-CLI configuration option for this option if possible.

CLI: --bootstrap-admin-client-secret
Env: KC_BOOTSTRAP_ADMIN_CLIENT_SECRET

bootstrap-admin-password

Temporary bootstrap admin password.

Used only when the master realm is created. Use a non-CLI configuration option for this option if possible.

CLI: --bootstrap-admin-password
Env: KC_BOOTSTRAP_ADMIN_PASSWORD

bootstrap-admin-username

Temporary bootstrap admin username.

Used only when the master realm is created. Available only when bootstrap admin password is set.

CLI: --bootstrap-admin-username
Env: KC_BOOTSTRAP_ADMIN_USERNAME

temp-admin (default)
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