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Release Notes
ejabberd 2.1.0
ejabberd 2.1.0 is a major new version for ejabberd adding many
new features, performance and scalability improvements.
ejabberd 2.1.0 includes many new features, improvements and bug fixes.
A complete list of changes can be retrieved from:
http://redir.process-one.net/ejabberd-2.1.0
The new code can be downloaded from ejabberd download page:
http://www.process-one.net/en/ejabberd/
New features and improvements:
* Anti-abuse
- Captcha support (XEP-0158). The example script uses ImageMagick.
- New option: registration_timeout to limit registrations by time
- Use send timeout to avoid locking on gen_tcp:send
- mod_ip_blacklist: client blacklist support by IP
* API
- ejabberd_http provides Host, Port, Headers and Protocol in HTTP requests
- Export function to create MUC room
- New events: s2s_send_packet and s2s_receive_packet
- New event: webadmin_user_parse_query when POST in web admin user page
- Support distributed hooks over the cluster
* Authentification
- Extauth responses: log strange responses and add timeout
* Binary Installer
- Includes exmpp library to support import/export XML files
* Caps
- Remove useless caps tables entries
- mod_caps must handle correctly external contacts with several resources
- Complain if mod_caps disabled and mod_pubsub has PEP plugin enabled
* Clustering and Architecture
* Configuration
- Added option access_max_user_messages for mod_offline
- Added option define_macro and use_macro
- Added option include_config_file to include additional configuration files
- Added option outgoing_s2s_options to define IP address families and timeout
- Added option registration_timeout to ejabberd.cfg.example
- Added option s2s_dns_options to define DNS timeout and retries
- Added option ERL_OPTIONS to ejabberdctl.cfg
- Added option FIREWALL_WINDOW to ejabberdctl.cfg
- Added option EJABBERD_PID_PATH to ejabberdctl.cfg
- Deleted option user_max_messages of mod_offline
- Check certfiles are readable on server start and listener start
- Config file management mix file reading and sanity check
- Include example PAM configuration file: ejabberd.pam
- New ejabberd listener: ejabberd_stun
- Support to bind the same port to multiple interfaces
- New syntax to specify the IP address and IPv6 in listeners
configuration. The old options {ip,{1,2,3,4}} and inet6 are
supported even if they aren't documented.
- New syntax to specify the network protocol: tcp or udp
- Report error at startup if a listener module isn't available
- Only listen in a port when actually ready to serve requests
* Core architecture
- More verbose error reporting for xml:element_to_string
- Deliver messages when first presence is Invisible
- Better log message when config file is not found
- Include original timestamp on delayed presences
* Crypto
- Do not ask certificate for client (c2s)
- SSL code remove from ejabberd in favor of TLS
- tls v1 client hello
* Documentation
- Document possible default MUC room options
- Document service_check_from in the Guide
- Document s2s_default_policy and s2s_host in the Guide
- new command and guide instructions to change node name in a Mnesia database
* ejabberd commands
- ejabberd commands: separate command definition and calling interface
- access_commands restricts who can execute what commands and arguments
- ejabberdctl script now displays help and categorization of commands
* HTTP Binding and HTTP Polling
- HTTP-Bind: allow configuration of max_inactivity timeout
- HTTP-Poll: turn session timeout into a config file parameter
* Jingle
- STUN server that facilitates the client-to-client negotiation process
* LDAP
- Faster reconnection to LDAP servers
- LDAP filter optimisation: Add ability to filter user in ejabberd and not LDAP
- LDAP differentiates failed auth and unavailable auth service
- Improve LDAP logging
- LDAPS support using TLS.
* Localization
- Use Gettext PO for translators, export to ejabberd MSG
- Support translation files for additional projects
* Multi-User Chat (MUC)
- Allow admins to send messages to rooms
- Allow to store room description
- Captcha support in MUC: the admin of a room can configure it to
require participants to fill a captcha to join the room.
- Limit number of characters in Room ID, Name and Description
- Prevent unvoiced occupants from changing nick
- Support Result Set Management (XEP-0059) for listing rooms
- Support for decline of invitation to MUC room
- mod_muc_log options: plaintext format; filename with only room name
* Performance
- Run roster_get_jid_info only if privacy list has subscription or group item
- Significant PubSub performance improvements
* Publish-Subscribe
- Add nodetree filtering/authorization
- Add subscription option support for collection nodes
- Allow Multiple Subscriptions
- Check option of the nodetree instead of checking configuration
- Implement whitelist authorize and roster access model
- Implicit item deletion is not notified when deleting node
- Make PubSub x-data configuration form handles list value
- Make default node name convention XEP-compatible, document usage of hierarchy
- Send authorization update event (XEP-0060, 8.6)
- Support of collection node subscription options
- Support ODBC storage. Experimental, needs more testing.
* Relational databases:
- Added MSSQL 2000 and 2005
- Privacy rules storage in MySQL
- Implement reliable ODBC transaction nesting
* Source Package
- Default installation directories changed. Please see the upgrade notes below.
- Allow more environment variable overrides in ejabberdctl
- ChangeLog is not edited manually anymore; it's generated automatically.
- Install the ejabberd Guide
- Install the ejabberd include files
- New option for the 'configure' script: --enable-user which installs
ejabberd granting permission to manage it to a regular system user;
no need to use root account to.
- Only try to install epam if pam was enabled in configure script
- Spool, config and log dirs: owner writes, group reads, others do nothing.
- Provides an example ejabberd.init file
* S2S
- Option to define s2s outgoing behaviour: IPv4, IPv6 and timeout
- DNS timeout and retries, configurable with s2s_dns_options.
* Shared rosters
- When a member is added/removed to group, send roster upgrade to group members
* Users management
- When account is deleted, cancel presence subscription for all roster items
* XEP Support
- Added XEP-0059 Result Set Management (for listing rooms)
- Added XEP-0082 Date Time
- Added XEP-0085 Chat State Notifications
- Added XEP-0157 Contact Addresses for XMPP Services
- Added XEP-0158 CAPTCHA Forms (in MUC rooms)
- Added STUN server, for XEP-0176: Jingle ICE-UDP Transport Method
- Added XEP-0199 XMPP Ping
- Added XEP-0202 Entity Time
- Added XEP-0203 Delayed Delivery
- Added XEP-0227 Portable Import/Export Format for XMPP-IM Servers
- Added XEP-0237 Roster Versioning
* Web Admin
- Display the connection method of user sessions
- Cross link of ejabberd users in the list of users and rosters
- Improved the browsing menu: don't disappear when browsing a host or node
- Include Last-Modified HTTP header in responses to allow caching
- Make some Input areas multiline: options of listening ports and modules
- Support PUT and DELETE methods in ejabberd_http
- WebAdmin serves Guide and links to related sections
* Web plugins
- mod_http_fileserver: new option directory_indices, and improve logging
Important Notes:
- ejabberd 2.1.0 requires Erlang R10B-9 or higher.
R12B-5 is the recommended version. Support for R13B is experimental.
Upgrading From ejabberd 1.x.x:
- Check the Release Notes of the intermediate versions for additional
information about database or configuration changes.
Upgrading From ejabberd 2.0.x:
- The database schemas didn't change since ejabberd 1.1.4.
Anyway, it is recommended to backup the Mnesia spool directory and
your SQL database (if used) before upgrading ejabberd.
- The listener options 'ip' and inet6' are not documented anymore
but they are supported and you can continue using them.
There is a new syntax to define IP address and IP version.
As usual, check the ejabberd Guide for more information.
- ejabberdctl commands now have _ characters instead of -.
For backwards compatibility, it is still supported -.
- mod_offline has a new option: access_max_user_messages.
The old option user_max_messages is no longer supported.
- If you upgrade from ejabberd trunk SVN, you must execute this:
$ ejabberdctl rename_default_nodeplugin
- Default installation directories changed a bit:
* The Mnesia spool files that were previously stored in
/var/lib/ejabberd/db/NODENAME/*
are now stored in
/var/lib/ejabberd/*
* The directories
/var/lib/ejabberd/ebin
/var/lib/ejabberd/priv
and their content is now installed as
/lib/ejabberd/ebin
/lib/ejabberd/priv
* There is a new directory with Erlang header files:
/lib/ejabberd/include
* There is a new directory for ejabberd documentation,
which includes the Admin Guide and the release notes::
/share/doc/ejabberd
- How to upgrade from previous version to ejabberd 2.1.0:
1. Stop the old instance of ejabberd.
2. Run 'make install' of new ejabberd 2.1.0 to create the new directories.
3. Copy the content of your old directory:
/var/lib/ejabberd/db/NODENAME/
to the new location:
/var/lib/ejabberd/
so you will have the files like this:
/var/lib/ejabberd/acl.DCD ...
4. You can backup the content of those directories and delete them:
/var/lib/ejabberd/ebin
/var/lib/ejabberd/priv
/var/lib/ejabberd/db
5. Now try to start your new ejabberd 2.1.0.
Bug reports
You can officially report bugs on ProcessOne support site:
http://support.process-one.net/
END
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