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@ -2,12 +2,12 @@
.\" Title: ejabberd.yml
.\" Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 10/16/2023
.\" Date: 01/22/2024
.\" Manual: \ \&
.\" Source: \ \&
.\" Language: English
.\"
.TH "EJABBERD\&.YML" "5" "10/16/2023" "\ \&" "\ \&"
.TH "EJABBERD\&.YML" "5" "01/22/2024" "\ \&" "\ \&"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
@ -82,7 +82,7 @@ All options can be changed in runtime by running \fIejabberdctl reload\-config\f
.sp
Some options can be specified for particular virtual host(s) only using \fIhost_config\fR or \fIappend_host_config\fR options\&. Such options are called \fIlocal\fR\&. Examples are \fImodules\fR, \fIauth_method\fR and \fIdefault_db\fR\&. The options that cannot be defined per virtual host are called \fIglobal\fR\&. Examples are \fIloglevel\fR, \fIcertfiles\fR and \fIlisten\fR\&. It is a configuration mistake to put \fIglobal\fR options under \fIhost_config\fR or \fIappend_host_config\fR section \- ejabberd will refuse to load such configuration\&.
.sp
It is not recommended to write ejabberd\&.yml from scratch\&. Instead it is better to start from "default" configuration file available at https://github\&.com/processone/ejabberd/blob/23\&.10/ejabberd\&.yml\&.example\&. Once you get ejabberd running you can start changing configuration options to meet your requirements\&.
It is not recommended to write ejabberd\&.yml from scratch\&. Instead it is better to start from "default" configuration file available at https://github\&.com/processone/ejabberd/blob/24\&.01/ejabberd\&.yml\&.example\&. Once you get ejabberd running you can start changing configuration options to meet your requirements\&.
.sp
Note that this document is intended to provide comprehensive description of all configuration options that can be consulted to understand the meaning of a particular option, its format and possible values\&. It will be quite hard to understand how to configure ejabberd by reading this document only \- for this purpose the reader is recommended to read online Configuration Guide available at https://docs\&.ejabberd\&.im/admin/configuration\&.
.SH "TOP LEVEL OPTIONS"
@ -405,7 +405,7 @@ will be used\&.
.RS 4
Supplement check for user existence based on
\fImod_last\fR
data, for authentication methods that don\(cqt have a way to reliable tell if user exists (like is the case for
data, for authentication methods that don\(cqt have a way to reliably tell if a user exists (like is the case for
\fIjwt\fR
and certificate based authentication)\&. This helps with processing offline message for those users\&. The default value is
\fItrue\fR\&.
@ -430,7 +430,9 @@ Git repository\&. Please refer to that module\(cqs README file for details\&.
.PP
\fBauth_password_format\fR: \fIplain | scram\fR
.RS 4
The option defines in what format the users passwords are stored:
The option defines in what format the users passwords are stored, plain text or in
SCRAM
format:
.sp
.RS 4
.ie n \{\
@ -440,7 +442,7 @@ The option defines in what format the users passwords are stored:
.sp -1
.IP \(bu 2.3
.\}
\fIplain\fR: The password is stored as plain text in the database\&. This is risky because the passwords can be read if your database gets compromised\&. This is the default value\&. This format allows clients to authenticate using: the old Jabber Non\-SASL (XEP\-0078), SASL PLAIN, SASL DIGEST\-MD5, and SASL SCRAM\-SHA\-1\&.
\fIplain\fR: The password is stored as plain text in the database\&. This is risky because the passwords can be read if your database gets compromised\&. This is the default value\&. This format allows clients to authenticate using: the old Jabber Non\-SASL (XEP\-0078), SASL PLAIN, SASL DIGEST\-MD5, and SASL SCRAM\-SHA\-1/256/512(\-PLUS)\&.
.RE
.sp
.RS 4
@ -451,14 +453,19 @@ The option defines in what format the users passwords are stored:
.sp -1
.IP \(bu 2.3
.\}
\fIscram\fR: The password is not stored, only some information that allows to verify the hash provided by the client\&. It is impossible to obtain the original plain password from the stored information; for this reason, when this value is configured it cannot be changed to plain anymore\&. This format allows clients to authenticate using: SASL PLAIN and SASL SCRAM\-SHA\-1\&. The default value is
\fIplain\fR\&.
\fIscram\fR: The password is not stored, only some information required to verify the hash provided by the client\&. It is impossible to obtain the original plain password from the stored information; for this reason, when this value is configured it cannot be changed to plain anymore\&. This format allows clients to authenticate using: SASL PLAIN and SASL SCRAM\-SHA\-1/256/512(\-PLUS)\&. The SCRAM variant depends on the
\fIauth_scram_hash\fR
option\&.
.RE
.RE
.sp
The default value is \fIplain\fR\&.
.PP
\fBauth_scram_hash\fR: \fIsha | sha256 | sha512\fR
.RS 4
Hash algorithm that should be used to store password in SCRAM format\&. You shouldn\(cqt change this if you already have passwords generated with a different algorithm \- users that have such passwords will not be able to authenticate\&. The default value is
Hash algorithm that should be used to store password in
SCRAM
format\&. You shouldn\(cqt change this if you already have passwords generated with a different algorithm \- users that have such passwords will not be able to authenticate\&. The default value is
\fIsha\fR\&.
.RE
.PP
@ -725,6 +732,14 @@ or
is case\-insensitive\&. The default value is an empty list, i\&.e\&. no mechanisms are disabled by default\&.
.RE
.PP
\fBdisable_sasl_scram_downgrade_protection\fR: \fItrue | false\fR
.RS 4
Allows to disable sending data required by
\fIXEP\-0474: SASL SCRAM Downgrade Protection\fR\&. There are known buggy clients (like those that use strophejs 1\&.6\&.2) which will not be able to authenticatate when servers sends data from that specification\&. This options allows server to disable it to allow even buggy clients connects, but in exchange decrease MITM protection\&. The default value of this option is
\fIfalse\fR
which enables this extension\&.
.RE
.PP
\fBdomain_balancing\fR: \fI{Domain: Options}\fR
.RS 4
An algorithm to load balance the components that are plugged on an ejabberd cluster\&. It means that you can plug one or several instances of the same component on each ejabberd node and that the traffic will be automatically distributed\&. The algorithm to deliver messages to the component(s) can be specified by this option\&. For any component connected as
@ -751,7 +766,7 @@ attribute;
\fIfrom\fR
attribute;
\fIbare_destination\fR
\- by the the bare JID (without resource) of the packet\(cqs
\- by the bare JID (without resource) of the packet\(cqs
\fIto\fR
attribute;
\fIbare_source\fR
@ -916,7 +931,7 @@ This ACL rule defines accounts that can use only this auth method, even if other
.RS 4
By default, the JID is defined in the
\fI"jid"\fR
JWT field\&. This option allows to specify other JWT field name where the JID is defined\&.
JWT field\&. In this option you can specify other JWT field name where the JID is defined\&.
.RE
.PP
\fBjwt_key\fR: \fIFilePath\fR
@ -1123,7 +1138,7 @@ section for details\&.
\fBnegotiation_timeout\fR: \fItimeout()\fR
.RS 4
Time to wait for an XMPP stream negotiation to complete\&. When timeout occurs, the corresponding XMPP stream is closed\&. The default value is
\fI30\fR
\fI120\fR
seconds\&.
.RE
.PP
@ -1139,9 +1154,9 @@ This option can be used to tune tick time parameter of
Whether to use
\fInew\fR
SQL schema\&. All schemas are located at
https://github\&.com/processone/ejabberd/tree/23\&.10/sql\&. There are two schemas available\&. The default legacy schema allows to store one XMPP domain into one ejabberd database\&. The
https://github\&.com/processone/ejabberd/tree/23\&.10/sql\&. There are two schemas available\&. The default legacy schema stores one XMPP domain into one ejabberd database\&. The
\fInew\fR
schema allows to handle several XMPP domains in a single ejabberd database\&. Using this
schema can handle several XMPP domains in a single ejabberd database\&. Using this
\fInew\fR
schema is best when serving several XMPP domains and/or changing domains from time to time\&. This avoid need to manage several databases and handle complex configuration changes\&. The default depends on configuration flag
\fI\-\-enable\-new\-sql\-schema\fR
@ -1689,6 +1704,15 @@ seconds\&.
An SQL database name\&. For SQLite this must be a full path to a database file\&. The default value is
\fIejabberd\fR\&.
.RE
.sp
\fINote\fR about the next option: added in 24\&.01:
.PP
\fBsql_flags\fR: \fI[mysql_alternative_upsert]\fR
.RS 4
This option accepts a list of SQL flags, and is empty by default\&.
\fImysql_alternative_upsert\fR
forces the alternative upsert implementation in MySQL\&.
.RE
.PP
\fBsql_keepalive_interval\fR: \fItimeout()\fR
.RS 4
@ -1738,7 +1762,7 @@ for MS SQL\&. The option has no effect for SQLite\&.
.RS 4
This option is
\fItrue\fR
by default, and is useful to disable prepared statements\&. The option is valid for PostgreSQL\&.
by default, and is useful to disable prepared statements\&. The option is valid for PostgreSQL and MySQL\&.
.RE
.PP
\fBsql_query_timeout\fR: \fItimeout()\fR
@ -1831,12 +1855,18 @@ A user name for SQL authentication\&. The default value is
Specify what proxies are trusted when an HTTP request contains the header
\fIX\-Forwarded\-For\fR\&. You can specify
\fIall\fR
to allow all proxies, or specify a list of IPs, possibly with masks\&. The default value is an empty list\&. This allows, if enabled, to be able to know the real IP of the request, for admin purpose, or security configuration (for example using
to allow all proxies, or specify a list of IPs, possibly with masks\&. The default value is an empty list\&. Using this option you can know the real IP of the request, for admin purpose, or security configuration (for example using
\fImod_fail2ban\fR)\&. IMPORTANT: The proxy MUST be configured to set the
\fIX\-Forwarded\-For\fR
header if you enable this option as, otherwise, the client can set it itself and as a result the IP value cannot be trusted for security rules in ejabberd\&.
.RE
.PP
\fBupdate_sql_schema\fR: \fItrue | false\fR
.RS 4
Allow ejabberd to update SQL schema\&. The default value is
\fItrue\fR\&.
.RE
.PP
\fBuse_cache\fR: \fItrue | false\fR
.RS 4
Enable or disable cache\&. The default is
@ -2186,7 +2216,7 @@ Limit any given JID by the number of avatars it is able to convert per minute\&.
.RE
.SS "mod_block_strangers"
.sp
This module allows to block/log messages coming from an unknown entity\&. If a writing entity is not in your roster, you can let this module drop and/or log the message\&. By default you\(cqll just not receive message from that entity\&. Enable this module if you want to drop SPAM messages\&.
This module blocks and logs any messages coming from an unknown entity\&. If a writing entity is not in your roster, you can let this module drop and/or log the message\&. By default you\(cqll just not receive message from that entity\&. Enable this module if you want to drop SPAM messages\&.
.sp
.it 1 an-trap
.nr an-no-space-flag 1
@ -3913,7 +3943,7 @@ or
\fIsubscribe\fR
or both, and
\fIauthentication\fR
section with username/password field or certfile pointing to client certificate\&. Accepted urls can use schema mqtt, mqtts (mqtt with tls), mqtt5, mqtt5s (both to trigger v5 protocol), ws, wss, ws5, wss5\&. Certifcate authentication can be only used with mqtts, mqtt5s, wss, wss5\&.
section with username/password field or certfile pointing to client certificate\&. Accepted urls can use schema mqtt, mqtts (mqtt with tls), mqtt5, mqtt5s (both to trigger v5 protocol), ws, wss, ws5, wss5\&. Certificate authentication can be only used with mqtts, mqtt5s, wss, wss5\&.
.RE
.RE
.sp
@ -4027,7 +4057,7 @@ option, but applied to this module only\&.
.PP
\fBdefault_room_options\fR: \fIOptions\fR
.RS 4
This option allows to define the desired default room options\&. Note that the creator of a room can modify the options of his room at any time using an XMPP client with MUC capability\&. The
Define the default room options\&. Note that the creator of a room can modify the options of his room at any time using an XMPP client with MUC capability\&. The
\fIOptions\fR
are:
.PP
@ -4609,7 +4639,7 @@ to a remote file\&. By default a predefined CSS will be embedded into the HTML p
.PP
\fBdirname\fR: \fIroom_jid | room_name\fR
.RS 4
Allows to configure the name of the room directory\&. If set to
Configure the name of the room directory\&. If set to
\fIroom_jid\fR, the room directory name will be the full room JID\&. Otherwise, the room directory name will be only the room name, not including the MUC service name\&. The default value is
\fIroom_jid\fR\&.
.RE
@ -5050,7 +5080,11 @@ This module implements support for XEP\-0199: XMPP Ping and periodic keepalives\
.PP
\fBping_ack_timeout\fR: \fItimeout()\fR
.RS 4
How long to wait before deeming that a client has not answered a given server ping request\&. The default value is
How long to wait before deeming that a client has not answered a given server ping request\&. NOTE: when
\fImod_stream_mgmt\fR
is loaded and stream management is enabled by a client, this value is ignored, and the
ack_timeout
applies instead\&. The default value is
\fIundefined\fR\&.
.RE
.PP
@ -5689,7 +5723,7 @@ or
To specify whether or not pubsub should cache last items\&. Value is
\fItrue\fR
or
\fIfalse\fR\&. If not defined, pubsub does not cache last items\&. On systems with not so many nodes, caching last items speeds up pubsub and allows to raise user connection rate\&. The cost is memory usage, as every item is stored in memory\&.
\fIfalse\fR\&. If not defined, pubsub does not cache last items\&. On systems with not so many nodes, caching last items speeds up pubsub and allows you to raise the user connection rate\&. The cost is memory usage, as every item is stored in memory\&.
.RE
.sp
\fINote\fR about the next option: added in 21\&.12:
@ -5770,7 +5804,7 @@ nodetree before\&.
.PP
\fBpep_mapping\fR: \fIList of Key:Value\fR
.RS 4
This allows to define a list of key\-value to choose defined node plugins on given PEP namespace\&. The following example will use
In this option you can provide a list of key\-value to choose defined node plugins on given PEP namespace\&. The following example will use
\fInode_tune\fR
instead of
\fInode_pep\fR
@ -5823,7 +5857,7 @@ plugin handles the default behaviour and follows standard XEP\-0060 implementati
.IP \(bu 2.3
.\}
\fIpep\fR
plugin adds extension to handle Personal Eventing Protocol (XEP\-0163) to the PubSub engine\&. Adding pep allows to handle PEP automatically\&.
plugin adds extension to handle Personal Eventing Protocol (XEP\-0163) to the PubSub engine\&. When enabled, PEP is handled automatically\&.
.RE
.RE
.PP
@ -6094,7 +6128,7 @@ on the requested username, registration of that user name is denied\&. There are
.RS 4
By default,
\fIejabberd\fR
doesn\(cqt allow to register new accounts from s2s or existing c2s sessions\&. You can change it by defining access rule in this option\&. Use with care: allowing registration from s2s leads to uncontrolled massive accounts creation by rogue users\&.
doesn\(cqt allow the client to register new accounts from s2s or existing c2s sessions\&. You can change it by defining access rule in this option\&. Use with care: allowing registration from s2s leads to uncontrolled massive accounts creation by rogue users\&.
.RE
.PP
\fBaccess_remove\fR: \fIAccessName\fR
@ -6954,7 +6988,7 @@ It is not enough to just load this module\&. You should also configure listeners
.PP
\fBalways_record_route\fR: \fItrue | false\fR
.RS 4
Always insert "Record\-Route" header into SIP messages\&. This approach allows to bypass NATs/firewalls a bit more easily\&. The default value is
Always insert "Record\-Route" header into SIP messages\&. With this approach it is possible to bypass NATs/firewalls a bit more easily\&. The default value is
\fItrue\fR\&.
.RE
.PP
@ -7797,13 +7831,13 @@ TODO
ProcessOne\&.
.SH "VERSION"
.sp
This document describes the configuration file of ejabberd 23\&.10\&. Configuration options of other ejabberd versions may differ significantly\&.
This document describes the configuration file of ejabberd 23\&.10\&.118\&. Configuration options of other ejabberd versions may differ significantly\&.
.SH "REPORTING BUGS"
.sp
Report bugs to https://github\&.com/processone/ejabberd/issues
.SH "SEE ALSO"
.sp
Default configuration file: https://github\&.com/processone/ejabberd/blob/23\&.10/ejabberd\&.yml\&.example
Default configuration file: https://github\&.com/processone/ejabberd/blob/24\&.01/ejabberd\&.yml\&.example
.sp
Main site: https://ejabberd\&.im
.sp