Announcing ISC DHCP 3.0rc2

[Ted Lemon]

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I have just released the second release candidate.   I believe this
fixes all known problems that are going to be fixed prior to the 3.0
release.

The release is available at: ftp://ftp.isc.org/isc/dhcp

Thanks very much to everybody who's been helping me to resolve the
remaining problems in the server!

			       _MelloN_

	  Changes since 3.0 Release Candidate 1 Patchlevel 1

- Fix the dhcp_failover_put_message to not attempt to allocate a
  zero-length buffer.   Some versions of malloc() fail if you try to
  allocate a zero-length buffer, and this was causing problems on,
  e.g., Digital Unix.

- Fix a case where the failover code was printing an error message
  when no error had occurred.

- Fix a problem where when a server went down and back up again, the
  peer would not see a state transition and so would stay in the
  non-communicating state.

- Be smart about going into recover_wait.

- Fix a problem in the failover implementation where peers would fail
  to come into sync if interrupted in the RECOVER state.   This could
  have been the cause of some problems people have reported recently.

- Fix a problem with billing classes where they would not be unbilled
  when the client lease expired.

- If select fails, figure out which descriptor is bad, and cut it out
  of the I/O loop.   This prevents a potentially nasty spin.  I
  haven't heard any report it in a while, but it came up consistently
  in testing.

- Fix a bug in the relay agent where if you specified interfaces on
  the command line, it would fail.

- Fix a couple of small bugs in the omapi connection object (no known
  user impact).

- Add the missing 3.0 Beta 1 lease conversion script.

- Read dhcp client script hooks if they exist, rather than only if
  they're executable.
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