Log Message:
Changes 5.3.0.1:
*** Security Fix ***

Changes 5.3:
*** Important Notes ***

    Several very significant changes have been made in Net-SNMP for this
    release that warrant special attention.

    - shared library version number no longer matches the release number. We
      now follow the versioning scheme recommended by libtool. For the 5.3
      release this means that the libraries now have a SONAME ending with
      ".so.10", e.g. libnetsnmp.so.10.

    - snmpd has not been truncating log files at startup, as documented in
      the man pages, for a while now. This default behaviour has been restored.
      Please use the '-A' flag if you want to continue appending to your log
      files at startup.

    - snmptrapd will no longer accept all traps by default. It must be
      configured with authorized SNMPv1/v2c community strings and/or SNMPv3
      users. Non-authorized traps/informs will be dropped.

    - Due to a copyright statement that didn't allow modifications,
      snmpnetstat has been completely rewritten.  The new version now
      accepts the same command-line options as the other tools, which
      has introduced a number of incompatible changes.  However, it
      does now finally support SNMPv3.