Note to readers: the old answer doesn’t work anymore.
As of version 2.4, Apache no longer allows the RewriteLogLevel
and RewriteLog
directives. Now they’re all bundled with the single LogLevel
directive (see Log Files documentation), which supports module-specific log levels with prefixes and trace[1-8]
constants. To set the highest level of logging specifically for the rewrite module, you now use the following:
LogLevel warn rewrite:trace8