The LogFilter plugin provides server-side setting to filter log output by type or keyword.

Installation
============
add "addPlugin('LogFilter');"
to the bottom of your config.php

Settings
========
none

Example
=======
Disable all debug messages and those containing 'About to push':

addPlugin('LogFilter', array(
    'priority' => array(LOG_DEBUG => false),
    'regex' => array('/About to push/' => false)
));