It looks like there are a whole lot of fb_inet_server processes hanging around and not ending.

root 4143 1 0 Oct27 tty1 00:00:00 /sbin/mingetty tty1
firebird 14719 2668 0 06:00 ? 00:00:00 fb_inet_server
firebird 14720 2668 0 06:00 ? 00:00:00 fb_inet_server
firebird 14722 2668 0 06:00 ? 00:00:00 fb_inet_server
firebird 14723 2668 0 06:00 ? 00:00:00 fb_inet_server
firebird 14847 2668 0 06:10 ? 00:00:00 fb_inet_server
firebird 14848 2668 0 06:10 ? 00:00:00 fb_inet_server
firebird 14849 2668 0 06:10 ? 00:00:00 fb_inet_server
firebird 14850 2668 0 06:10 ? 00:00:00 fb_inet_server
firebird 15642 2668 0 07:28 ? 00:00:00 fb_inet_server
firebird 15643 2668 0 07:28 ? 00:00:00 fb_inet_server
firebird 15644 2668 0 07:28 ? 00:00:00 fb_inet_server
firebird 15645 2668 0 07:28 ? 00:00:00 fb_inet_server
firebird 15687 2668 0 07:31 ? 00:00:00 fb_inet_server
firebird 15697 2668 0 07:32 ? 00:00:00 fb_inet_server
firebird 16243 2668 0 08:25 ? 00:00:00 fb_inet_server
firebird 16244 2668 0 08:25 ? 00:00:00 fb_inet_server
firebird 16245 2668 0 08:25 ? 00:00:00 fb_inet_server
firebird 16246 2668 0 08:25 ? 00:00:00 fb_inet_server
firebird 16249 2668 0 08:25 ? 00:00:00 fb_inet_server
firebird 16300 2668 0 08:28 ? 00:00:00 fb_inet_server
firebird 16388 2668 0 08:34 ? 00:00:00 fb_inet_server
firebird 16410 2668 0 08:36 ? 00:00:00 fb_inet_server
firebird 16443 2668 0 08:39 ? 00:00:00 fb_inet_server
firebird 16450 2668 0 08:39 ? 00:00:00 fb_inet_server
firebird 16483 2668 0 08:42 ? 00:00:00 fb_inet_server
firebird 16521 2668 0 08:45 ? 00:00:00 fb_inet_server
firebird 16526 2668 0 08:46 ? 00:00:02 fb_inet_server
firebird 16653 2668 7 08:55 ? 00:00:46 fb_inet_server
firebird 16747 2668 0 09:01 ? 00:00:00 fb_inet_server
firebird 16767 2668 0 09:02 ? 00:00:00 fb_inet_server
firebird 16768 2668 0 09:02 ? 00:00:00 fb_inet_server
firebird 16769 2668 0 09:02 ? 00:00:00 fb_inet_server
firebird 16770 2668 0 09:02 ? 00:00:00 fb_inet_server
firebird 16778 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16779 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16780 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16781 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16784 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16790 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16793 2668 0 09:03 ? 00:00:00 fb_inet_server
firebird 16800 2668 0 09:04 ? 00:00:00 fb_inet_server
firebird 16801 2668 0 09:04 ? 00:00:00 fb_inet_server
firebird 16802 2668 0 09:04 ? 00:00:00 fb_inet_server
firebird 16803 2668 0 09:04 ? 00:00:00 fb_inet_server
firebird 16810 2668 0 09:04 ? 00:00:00 fb_inet_server
firebird 16815 2668 0 09:04 ? 00:00:00 fb_inet_server
root 16816 2658 0 09:04 ? 00:00:00 sshd: root@pts/0
root 16818 16816 0 09:05 pts/0 00:00:00 -bash
root 16854 16818 0 09:05 pts/0 00:00:00 ps -ef