debian:~# apt-cache policy dpkg
dpkg:
  Installed: 1.14.29
  Candidate: 1.14.29
  Version table:
 *** 1.14.29 0
        500 http://security.debian.org lenny/updates/main Packages
        100 /var/lib/dpkg/status
     1.14.28 0
        500 http://ftp2.jp.debian.org lenny/main Packages