sources:
  dhcp-4.4.1.tar.gz: 7be2c4911107f613c2d4b0a943261603c6b8507a
  dhcp-4.4.1.tar.gz.sha512.asc: 1e5af5476f181d2045e4b30171e3f423aa260fbe
  dhcp-dynamic-dns-examples.tar.bz2: d33980aad3e0380fc89f8346ab37786d39157696