Thank you Mark.
For future poor souls that will spend hours trying to fix this, this post was helpful in configuration xinetd: Firebird News » Firebird Classic 2.5.x with xinetd on Ubuntu/Debian systems http://www.firebirdnews.org/firebird-classic-2-5-x-with-xinetd-on-ubuntudebian-systems/ http://www.firebirdnews.org/firebird-classic-2-5-x-with-xinetd-on-ubuntudebian-systems/ Firebird News » Firebird Classic 2.5.x with xinetd o... http://www.firebirdnews.org/firebird-classic-2-5-x-with-xinetd-on-ubuntudebian-systems/ By default Firebird Classic package uses openbsd-inetd You can inspect the config cat /etc/inetd.conf the max number of connections per minute is 255 View on www.firebirdnews.org http://www.firebirdnews.org/firebird-classic-2-5-x-with-xinetd-on-ubuntudebian-systems/ Preview by Yahoo
