root@******:/etc/apt# apt-cache policy libtasn1-3
libtasn1-3:
  Installed: 2.10-1ubuntu1.3
  Candidate: 2.10-1ubuntu1.4
  Version table:
     2.10-1ubuntu1.4 0
        500 http://archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages
 *** 2.10-1ubuntu1.3 0
        100 /var/lib/dpkg/status
     2.10-1ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
root@******:/etc/apt#