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NEWS tweaks [skip ci]
- Switch list items back to "-" from "*" -- we hadn't used "*" since 2.5.4 but started in 7.1, probably by accident? :-) - Fix a typo.
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56
NEWS
56
NEWS
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@ -9,14 +9,14 @@ Zeek 7.1.0
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Breaking Changes
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Breaking Changes
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----------------
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----------------
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* The ``OpaqueVal::DoSerialize`` and ``OpaqueVal::DoUnserialize`` methods were
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- The ``OpaqueVal::DoSerialize`` and ``OpaqueVal::DoUnserialize`` methods were
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marked as deprecated in v7.0 and have now been removed as per the Zeek
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marked as deprecated in v7.0 and have now been removed as per the Zeek
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deprecation policy. Plugins that were overriding these methods and were not
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deprecation policy. Plugins that were overriding these methods and were not
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updated will fail to compile. Those plugins should be updated to override the
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updated will fail to compile. Those plugins should be updated to override the
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new ``OpaqueVal::DoSerializeData`` and ``OpaqueVal::DoUnserializeData``
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new ``OpaqueVal::DoSerializeData`` and ``OpaqueVal::DoUnserializeData``
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methods.
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methods.
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* Certain internal methods on the broker and logging classes have been changed to
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- Certain internal methods on the broker and logging classes have been changed to
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accept std::vector<threading::Value> parameters instead of threading::Value**
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accept std::vector<threading::Value> parameters instead of threading::Value**
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to leverage automatic memory management, reduce the number of allocations
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to leverage automatic memory management, reduce the number of allocations
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and use move semantics to express ownership.
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and use move semantics to express ownership.
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@ -25,12 +25,12 @@ Breaking Changes
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are not affected by this change, so we keep backwards compatibility with
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are not affected by this change, so we keep backwards compatibility with
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existing log writers.
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existing log writers.
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* ``Func::Name()`` was deprecated, use ``Func::GetName()`` instead.
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- ``Func::Name()`` was deprecated, use ``Func::GetName()`` instead.
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New Functionality
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New Functionality
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-----------------
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-----------------
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* IP-based connections that were previously not logged due to using an unknown
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- IP-based connections that were previously not logged due to using an unknown
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IP protocol (e.g. not TCP, UDP, or ICMP) now appear in conn.log. All conn.log
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IP protocol (e.g. not TCP, UDP, or ICMP) now appear in conn.log. All conn.log
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entries have a new ``ip_proto`` column that indicates the numeric IP protocol
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entries have a new ``ip_proto`` column that indicates the numeric IP protocol
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identifier used by the connection. A new policy script at
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identifier used by the connection. A new policy script at
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@ -103,38 +103,38 @@ New Functionality
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These new policies fix a problem in which misbehaving nodes could trigger
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These new policies fix a problem in which misbehaving nodes could trigger
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cascading "lockups" of nodes, each ceasing to transmit any messages.
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cascading "lockups" of nodes, each ceasing to transmit any messages.
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* The LDAP analyzer now supports handling of non-sealed GSS-API WRAP tokens.
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- The LDAP analyzer now supports handling of non-sealed GSS-API WRAP tokens.
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* StartTLS support was added to the LDAP analyzer. The SSL analyzer is enabled
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- StartTLS support was added to the LDAP analyzer. The SSL analyzer is enabled
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for connections where client and server negotiate to TLS through the extended
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for connections where client and server negotiate to TLS through the extended
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request/response mechanism.
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request/response mechanism.
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* The ``unknown_protocols()`` event now includes the name of all packet
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- The ``unknown_protocols()`` event now includes the name of all packet
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analyzer used for processing the packet when the event is raised. The
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analyzer used for processing the packet when the event is raised. The
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``unknown_protocol.log`` file was extended to include this information.
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``unknown_protocol.log`` file was extended to include this information.
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* The MySQL analyzer now generates a ``mysql_user_change()`` event when
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- The MySQL analyzer now generates a ``mysql_user_change()`` event when
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the user changes mid-session via the ``COM_USER_CHANGE`` command.
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the user changes mid-session via the ``COM_USER_CHANGE`` command.
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* The DNS analyzer was extended to support TKEY RRs (RFC 2390). A corresponding
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- The DNS analyzer was extended to support TKEY RRs (RFC 2390). A corresponding
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``dns_TKEY`` event was added.
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``dns_TKEY`` event was added.
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* The ``signature_match()`` and custom signature events now receive the end of
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- The ``signature_match()`` and custom signature events now receive the end of
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match offset within the ``data`` parameter as an optional parameter named
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match offset within the ``data`` parameter as an optional parameter named
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``end_of_match``.
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``end_of_match``.
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event signature_match(state: signature_state, msg: string, data: string, end_of_match: count);
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event signature_match(state: signature_state, msg: string, data: string, end_of_match: count);
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* A we plugin hook ``InitPreExecution()`` has been added to allow introspection
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- A new plugin hook ``InitPreExecution()`` has been added to allow introspection
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of Zeek's AST after ZAM optimizations ran. This hook executes right before
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of Zeek's AST after ZAM optimizations ran. This hook executes right before
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the ``zeek_init()`` event is enqueued.
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the ``zeek_init()`` event is enqueued.
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* The SQLite logger now supports setting the value of the SQLite synchronous mode,
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- The SQLite logger now supports setting the value of the SQLite synchronous mode,
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as well as of the journal mode. For example, WAL mode can be enabled by setting:
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as well as of the journal mode. For example, WAL mode can be enabled by setting:
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redef LogSQLite::journal_mode=LogSQLite::SQLITE_JOURNAL_MODE_WAL;
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redef LogSQLite::journal_mode=LogSQLite::SQLITE_JOURNAL_MODE_WAL;
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* A pseudo protocol analyzer StreamEvent has been added. Attaching this analyzer
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- A pseudo protocol analyzer StreamEvent has been added. Attaching this analyzer
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to TCP connections allows processing the connection's stream data in the
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to TCP connections allows processing the connection's stream data in the
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scripting layer. One example use-case is interactive terminal sessions over
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scripting layer. One example use-case is interactive terminal sessions over
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HTTP connections upgraded to TCP.
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HTTP connections upgraded to TCP.
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@ -151,43 +151,43 @@ New Functionality
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Changed Functionality
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Changed Functionality
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---------------------
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---------------------
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* Heuristics for parsing SASL encrypted and signed LDAP traffic have been
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- Heuristics for parsing SASL encrypted and signed LDAP traffic have been
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made more strict and predictable. Please provide input if this results in
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made more strict and predictable. Please provide input if this results in
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less visibility in your environment.
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less visibility in your environment.
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* The MySQL analyzer has been improved to better support plugin authentication
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- The MySQL analyzer has been improved to better support plugin authentication
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mechanisms, like caching_sha2_password, as well as recognizing MySQL query
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mechanisms, like caching_sha2_password, as well as recognizing MySQL query
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attributes.
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attributes.
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* The ``mysql.log`` for user change commands will contain *just* the username
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- The ``mysql.log`` for user change commands will contain *just* the username
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instead of the remaining parts of the command, including auth plugin data.
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instead of the remaining parts of the command, including auth plugin data.
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* The POP3 parser has been hardened to avoid unbounded state growth in the
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- The POP3 parser has been hardened to avoid unbounded state growth in the
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face of one-sided traffic capture or when enabled for non-POP3 traffic.
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face of one-sided traffic capture or when enabled for non-POP3 traffic.
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Concretely, the Redis protocol's AUTH mechanism enables the POP3 analyzer
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Concretely, the Redis protocol's AUTH mechanism enables the POP3 analyzer
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for such connections through DPD.
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for such connections through DPD.
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* Batching and flushing for local log writers can now be controlled via the
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- Batching and flushing for local log writers can now be controlled via the
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options ``Log::flush_interval`` and ``Log::write_buffer_size``. Previously
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options ``Log::flush_interval`` and ``Log::write_buffer_size``. Previously
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the ``Threading::heartbeat_interval`` was used for flushing and the buffer
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the ``Threading::heartbeat_interval`` was used for flushing and the buffer
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size fixed at 1000.
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size fixed at 1000.
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* Logging of the FTP PASS command in ``ftp.log`` now honors ``FTP::default_capture_password``
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- Logging of the FTP PASS command in ``ftp.log`` now honors ``FTP::default_capture_password``
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and the password is blanked with "<hidden>". Previously, the argument for the PASS
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and the password is blanked with "<hidden>". Previously, the argument for the PASS
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command would be logged in clear.
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command would be logged in clear.
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* The ASCII input reader now suppresses warnings for consecutive invalid lines,
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- The ASCII input reader now suppresses warnings for consecutive invalid lines,
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producing a summary of total suppressions once a valid line is encountered.
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producing a summary of total suppressions once a valid line is encountered.
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* The `Telemetry::sync()` hook is now invoked on demand. Either when the metrics
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- The `Telemetry::sync()` hook is now invoked on demand. Either when the metrics
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of a node are scraped via the Prometheus HTTP endpoint, or one of the collect
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of a node are scraped via the Prometheus HTTP endpoint, or one of the collect
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methods is invoked from Zeek script.
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methods is invoked from Zeek script.
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* The community-id-logging.zeek policy script was used to set ``c$conn$community_id``
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- The community-id-logging.zeek policy script was used to set ``c$conn$community_id``
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during ``new_connection()`` rather than ``connection_state_remove()``, allowing
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during ``new_connection()`` rather than ``connection_state_remove()``, allowing
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other scripts to reuse its value early.
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other scripts to reuse its value early.
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* Calling ``Broker::publish()`` now uses the event time of the currently
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- Calling ``Broker::publish()`` now uses the event time of the currently
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executing event as network time metadata attached to the remote event.
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executing event as network time metadata attached to the remote event.
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Previously, ``network_time()`` was used. This matters if ``Broker::publish()``
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Previously, ``network_time()`` was used. This matters if ``Broker::publish()``
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is called within scheduled events or called within remote events.
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is called within scheduled events or called within remote events.
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@ -198,7 +198,7 @@ Removed Functionality
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Deprecated Functionality
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Deprecated Functionality
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------------------------
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------------------------
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* The ``Broker::auto_publish()`` function has been deprecated and should
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- The ``Broker::auto_publish()`` function has been deprecated and should
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be replaced with explicit ``Broker::publish()`` invocations that are
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be replaced with explicit ``Broker::publish()`` invocations that are
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potentially guarded with appropriate ``@if`` or ``@ifdef`` directives.
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potentially guarded with appropriate ``@if`` or ``@ifdef`` directives.
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@ -4587,14 +4587,14 @@ Bro 2.5.4
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Bro 2.5.4 primarily fixes security issues:
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Bro 2.5.4 primarily fixes security issues:
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* Multiple fixes and improvements to BinPAC generated code related to
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- Multiple fixes and improvements to BinPAC generated code related to
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array parsing, with potential impact to all Bro's BinPAC-generated
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array parsing, with potential impact to all Bro's BinPAC-generated
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analyzers in the form of buffer over-reads or other invalid memory
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analyzers in the form of buffer over-reads or other invalid memory
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accesses depending on whether a particular analyzer incorrectly
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accesses depending on whether a particular analyzer incorrectly
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assumed that the evaluated-array-length expression is actually the
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assumed that the evaluated-array-length expression is actually the
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number of elements that were parsed out from the input.
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number of elements that were parsed out from the input.
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* The NCP analyzer (not enabled by default and also updated to actually
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- The NCP analyzer (not enabled by default and also updated to actually
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work with newer Bro APIs in the release) performed a memory allocation
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work with newer Bro APIs in the release) performed a memory allocation
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based directly on a field in the input packet and using signed integer
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based directly on a field in the input packet and using signed integer
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storage. This could result in a signed integer overflow and memory
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storage. This could result in a signed integer overflow and memory
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@ -4604,9 +4604,9 @@ Bro 2.5.4 primarily fixes security issues:
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There's also the following bug fixes:
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There's also the following bug fixes:
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* A memory leak in the SMBv1 analyzer.
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- A memory leak in the SMBv1 analyzer.
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* The MySQL analyzer was generally not working as intended, for example,
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- The MySQL analyzer was generally not working as intended, for example,
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it now is able to parse responses that contain multiple results/rows.
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it now is able to parse responses that contain multiple results/rows.
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Bro 2.5.3
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Bro 2.5.3
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