Can anyone tell me how what's gone wrong and how to correct it

upgrading fb 1.5.0

Red Hat Linux release 9 (Shrike)
Kernel 2.4.20-37.9.legacy on an i686

I ran this:
rpm -Uvh FirebirdSS-1.5.2.4731-0.i686.rpm
the first time it complained that firebird was already running (true)
the 2nd time it ran ok, so the first one must have closed it down.

Since then connections that worked before return a message about the machine
actively rejecting the connection, reboot has no effect

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Nick (remove 1 to reach me)
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