> The command that I executed was:
>
> gbak -b -g -t -user "SYSDBA" -pas pas "xyut1" /opt/firebird/security2.fdb /tmp/bkp_security2.gbk
>
> Can anyone help-me.

You can't backup security2.fdb this way. You must use services (-se
switch) to do the backup.

SY, SD.