forward-port changelog from 0.4.5.5-rc

Changes in version 0.4.5.5-rc - 2021-02-01

  Tor 0.4.5.5-rc is the third release candidate in its series. We're

  coming closer and closer to a stable release series. This release

  fixes an annoyance with address detection code, and somewhat mitigates

  an ongoing denial-of-service attack.

  We anticipate no more code changes between this and the stable

  release, though of course that could change.

  o Major feature (exit):

    - Re-entry into the network is now denied at the Exit level to all

      relays' ORPorts and authorities' ORPorts and DirPorts. This change

      should help mitgate a set of denial-of-service attacks. Closes

      ticket 2667.

  o Minor bugfixes (relay, configuration):

    - Don't attempt to discover our address (IPv4 or IPv6) if no ORPort

      for it can be found in the configuration. Fixes bug 40254; bugfix

      on 0.4.5.1-alpha.

Changes in version 0.4.5.4-rc - 2021-01-22

  Tor 0.4.5.4-rc is the second release candidate in its series. It fixes

  several bugs present in previous releases.