After a reboot the Firebird database service does not start

Issue

After a reboot the Firebird database service does not start:

 var/log/messages
...
Oct 11 11:24:39 SRV-FB01 kernel: Linux version 2.6.18-308.13.1.el5 (mockbuild@x86-002.build.bos.redhat.com) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-52)) #1 SMP Thu Jul 26 05:45:09 EDT 2012
...
Oct 11 11:24:45 SRV-FB01 xinetd[6708]: Bad operator for attribute: 172.25.1.0/24 [file=/etc/xinetd.d/firebird] [line=23]
Oct 11 11:24:45 SRV-FB01 xinetd[6708]: xinetd Version 2.3.14 started with libwrap loadavg labeled-networking options compiled in.
Oct 11 11:24:45 SRV-FB01 xinetd[6708]: Started working: 0 available services