Firebird 2.5.7 Sub-release

Improvements

This sub-release comes with a handful of bug fixes, including addressing a serious security vulnerability present in all preceding Firebird 2.5 releases.

Warning

The exploit is available to authenticated users only, somewhat limiting the risks. However, it is strongly recommended that any previous V.2.5.x installation be upgraded to this one without delay.

Improvements

(CORE-5475) It is now possible to filter out info and warnings from the trace log.

implemented by V. Khorsun

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(CORE-4563) Support was added for fast/low-latency “TCP Loopback Fast Path” functionality introduced in Windows 8 and Server 2012.

This feature is said to improve the performance of the TCP stack for local loopback connections, by short-circuiting the TCP stack for local calls. The details of the feature can be found in this Microsoft Technet blog.

Implemented by V. Khorsun

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