/usr/ports/multimedia/kdemultimedia3
がインストール出来ません。
そんなもんなんでしょうか？

fetch: http://public.planetmirror.com/pub/kde/stable/3.5.3/src/kdemultimedia-3.5.3.tar.bz2: size unknown
fetch: http://public.planetmirror.com/pub/kde/stable/3.5.3/src/kdemultimedia-3.5.3.tar.bz2: size of remote file is not known
kdemultimedia-3.5.3.tar.bz2                             32 kB   33 kBps
===>  Vulnerability check disabled, database not found
===>  Found saved configuration for kdemultimedia-3.5.3_1
=> MD5 Checksum mismatch for KDE/kdemultimedia-3.5.3.tar.bz2.
=> SHA256 Checksum mismatch for KDE/kdemultimedia-3.5.3.tar.bz2.
===>  Giving up on fetching files: KDE/kdemultimedia-3.5.3.tar.bz2 KDE/kdemultimedia-3.5.3.tar.bz2
Make sure the Makefile and distinfo file (/usr/ports/multimedia/kdemultimedia3/distinfo)
are up to date.  If you are absolutely sure you want to override this
check, type "make NO_CHECKSUM=yes [other args]".
*** Error code 1

Stop in /usr/ports/multimedia/kdemultimedia3.
*** Error code 1

Stop in /usr/ports/multimedia/kdemultimedia3.