VSCAN installing error

I get the following error when I try to install VSCA.

root_at_freebie /usr/ports/security/vscan # make install
===>  Installing for uvscan-4.24e
===>   uvscan-4.24e depends on file: /usr/local/sbin/update_dat - not found
===>    Verifying install for /usr/local/sbin/update_dat in /usr/ports/security/uvscan-dat
>> dat-4265.tar doesn't seem to exist in /usr/ports/distfiles/.
>> Attempting to fetch from http://download.nai.com/products/datfiles/4.x/nai/.
fetch: http://download.nai.com/products/datfiles/4.x/nai/dat-4265.tar: Not Found
>> Attempting to fetch from ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/distfiles/.
fetch: ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/distfiles/dat-4265.tar: File unavailable (e.g., file not found, no access)
>> Couldn't fetch it - please try to retrieve this
>> port manually into /usr/ports/distfiles/ and try again.
*** Error code 1

Stop in /usr/ports/security/uvscan-dat.
*** Error code 1

Stop in /usr/ports/security/vscan.

It seems that It' looking for the dat-4265.tar file but this file does not exists. WHY ??

Thanks in advance.


-- 
"No guts No glory"

=] PASSELAC Armand [=
     (  _at_ _at_ )   
Ingenieur Systemes-Reseaux & Securite
ORBYTES INGENIERIE