"importer should not creates objects while still in the middle of
the wizard". Importer wizard creates new objects in the object
tree only when user clicks Finish and abandons results if they
click Cancel.
behavior: configuration import is aborted with an appropriate
error message in the log when program enounters protocol or
service name that it does not recognize and can not convert to
protocol or port number. We used to replace port number with some
placeholder (usually 0) and mark rule as "bad" by coloring it red
and adding comment.
de-duplication during import process". Also SourceForge bug
2980566 "Import from hostsfile may cause duplicate Objects" and
3030072 "remove duplicates during any import". Now the program can
optionally re-use existing objects from both Standard Objects and
user-defined libraries when it imports existing firewall
configuration. This works for any firewall platform for which we
support policy import.
