grab installation

I'm installing grab on a RH-6.2 system and I get the error below when I
`grab --update`.
is there a perl-libwww that runs on RH-6.2? version-5.65-1 has many
dependencies.

any clues are appreciated.


****************
grab --update
Can't locate Net/FTP.pm in @INC (@INC contains:
/usr/lib/perl5/5.00503/i386-linux /usr/lib/perl5/5.00503
/usr/lib/perl5/site_perl/5.005/i386-linux /usr/lib/perl5/site_perl/5.005
.) at /usr/bin/grab line 303.
BEGIN failed--compilation aborted at /usr/bin/grab line 303.
*****************


thanks in advance.