sysutils/lsof cannot fetch distfile ;;

[Stephen Montgomery-Smith]

Byung-Hee HWANG wrote:
> see below;;
> 
> jihad# make fetch
> ===>  Vulnerability check disabled, database not found
> => lsof_4.79H.freebsd.tar.bz2 doesn't seem to exist
> in /usr/ports/distfiles/.
> => Attempting to fetch from
> http://ftp.cerias.purdue.edu/pub/tools/unix/sysutils/lsof/.
> fetch:
> http://ftp.cerias.purdue.edu/pub/tools/unix/sysutils/lsof/lsof_4.79H.freebsd.tar.bz2: Not Found
> [......]
> => Attempting to fetch from
> ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/distfiles/.
> fetch:
> ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/distfiles/lsof_4.79H.freebsd.tar.bz2: 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/sysutils/lsof.
> jihad# 
> 
> a few hours ago, i updated /usr/ports by cvsup..
> what happened?
> 


I had this problem.  It turned out that the problem, in my case, was 
that my ISP doesn't provide any reverse DNS, and this ftp site requires it.