Verlihub - Direct Connect server

Verlihub is a Direct Connect protocol server that runs on Linux OS,
written in C++; Many features are available: MySQL database, very
low use of CPU, RAM & Bandwidth, deflood integrated protection,
plugins (LUA, forbidden, ip-log, funny, messenger & chatroom) and
MORE, MORE AND MORE...

Requirements: GeoIP (can also be found on slackbuilds.org)

If you don't want to run verlihub as root and still use port 411,
get authbind (can also be found on slackbuilds.org)

More info on website: http://www.verlihub-project.org