Syslog-ng

syslog-ng is a powerful, massively configurable monitoring and logging daemon.

Emerge
Install :

Configuration
The default configuration provided by the ebuild is quite minimal. If you would like to have a more comprehensive configuration take a look at the configuration provided for gentoo-hardend in:

/usr/share/doc/syslog-ng-3.7.1/syslog-ng.conf.gentoo.hardened.bz2

OpenRC
Add syslog-ng to default run level:

External resources

 * https://wiki.archlinux.org/index.php/syslog-ng