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List:       dhcp-announce
Subject:    ISC DHCP 4.1.0a2 is now available!
From:       "David W. Hankins" <David_Hankins () isc ! org>
Date:       2008-09-24 22:36:29
Message-ID: 20080924223629.GA19421 () isc ! org
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ISC DHCP 4.1.0a2 is now available for download.  4.1.0 represents a
feature release, and contains many new features.

This is the second ALPHA, which extends and perhaps completes the
featureset in this release.  A few highlights of the extensive
changes in this release are:

    o Ari Edelkind's PARANOIA patch has been formally included, as a
      configure flag.

    o The promised default 1/4-second configable scheduled maximum
      delay between delayed-fsync's has been implemented.

    o A DHCPv6 relay has been included.

    o DHCPv6 Leasequery support has been included.

    o Implicit shared-networks are now handled differently, to work
      hopefully more intuitively.  There have been no changes to
      explicit shared-networks.  See the RELNOTES for more
      information.  This was largely to address configuration problems
      with DHCPv6 stateless clients, but it also applies to DHCPv4.

    o The UDP socket methods for DHCPv6 now permit multiple daemons to
      run, and each only use a single socket.

The 4.1.0 release does still have a known flaw, in the failover
protocol implementation lease databases will rapidly go out of sync.
This is believed to be introduced with the delayed fsync changes, and
will be addressed in subsequent alpha or beta releases of 4.1.0.

A list of the changes in this release has been appended to the end
of this message.  For a complete list of changes from any previous
release, please consult the RELNOTES file within the source
distribution, or on our website:

    http://www.isc.org/sw/dhcp/dhcp4_1.php

This release, and its OpenPGP-signatures are available now from:

    ftp://ftp.isc.org/isc/dhcp/dhcp-4.1.0a2.tar.gz
    ftp://ftp.isc.org/isc/dhcp/dhcp-4.1.0a2.tar.gz.sha512.asc
    ftp://ftp.isc.org/isc/dhcp/dhcp-4.1.0a2.tar.gz.sha256.asc
    ftp://ftp.isc.org/isc/dhcp/dhcp-4.1.0a2.tar.gz.sha1.asc

ISC's Release Signing Key can be obtained at:

    http://www.isc.org/about/openpgp/


			Changes since 4.1.0a1

- Corrected list of failover state values in dhcpd man page.

- Fixed a bug that caused some request types to be logged incorrectly.

- Clients that sent a parameter request list containing the
  routers option before the subnet mask option were receiving
  only the latter.  Fixed.

- The server wasn't always sending the FQDN option when it should.

- A partner-down failover server no longer emits 'peer holds all free leases'
  if it is able to newly-allocate one of the peer's leases.

- Fixed a coredump when adding a class via OMAPI.

- Check whether files are zero length before trying to parse them.

- Ari Edelkind's PARANOIA patch has been included and may be compiled in
  via two ./configure parameters, --enable-paranoia and
  --enable-early-chroot.

- ./configure was extended to cover many optional build features, such
  as failover, server tracing, debugging, and the execute() command.

- There is now a default 1/4 of a second scheduled delay between delayed
  fsync()'s, it can be configured by the max-ack-delay configuration
  parameter.

- A bug was fixed where the length of a hostname was miscalculated, so that
  hosts were given odd-looking domain names ("foo.bar.ba.example.com").

- Shared network selection should be done from the innermost relay
  valid link-address field, rather than the outermost.

- Prefix pools are attached to shared network scopes.

- Merged IA_XX related structures.

- Add DHCPv6 files in configure.

- A memory leak when using omapi has been fixed.

- DHCPv6 vendor-class options (VSIO) are now only sent when they appear
  on the DHCPv6 ORO.  This resolves a bug where VSIO options were placed
  in IA_NA encapsulated options fields.

- Integrated client with stateless, temporary address and prefix delegation
  support.

- A double-dereference in dhclient transmission of DHCPDECLINEs was
  repaired.

- Fix handling of format code 'Z'.

- Support "-1" argument in DHCPv6.

- Merge DHCPv6-only "dhcrelay6" into general-purpose "dhcrelay" (use
  "-6" option to select DHCPv6 mode).

- Fix handling of -A and -a flags in dhcrelay; it was failing to expand
  packet size as needed to add relay agent options.

- A bug in subnet6 parsing where options contained in subnet6 clauses would
  not be applied to clients addressed within that network was repaired.

- When configuring a "subnet {}" or "subnet6 {}" without an explicit
  shared-network enclosing it, the DHCP software would synthesize a
  shared-network to contain the subnet.  However, all configuration
  parameters within the subnet more intuitively belong "to any client
  on that interface", or rather the synthesized shared-network.  So,
  when a shared-network is synthesized, it is used to contain the
  configuration present inside the subnet {} clause.  This means that
  the configuration will be valid for all clients on that network, not
  just those addressed out of the stated subnet.  If you intended the
  opposite, the workaround is to explicitly configure an empty
  shared-network.

- A bug was fixed where Information-Request processing was not sourcing
  configured option values.

- A warning was added since the DHCPv6 processing software does not yet
  support class statements.

- Compliation warnings on GCC 4.3 relating to bootp source address
  selection were repaired.

- The v6 BSD socket method was updated to use a single UDP BSD socket
  no matter how many interfaces are involved, differentiating the
  interfaces the packets were received on by the interface index supplied
  by the OS.

- The relay agent no longer listens to the All DHCP Servers Multicast
  address.

- A bug was fixed in data_string_sprintfa() where va_start was only called
  once for two invocations of vsprintf() variants.

- ERO (RFC 4994) server support.

- Basic and partial DHCPv6 leasequery support.

- Reliable DHCPv6 release (previous behavior, send release and exit, is
  still available with dhclient -6 -1 -r).

-- 
Ash bugud-gul durbatuluk agh burzum-ishi krimpatul.
Why settle for the lesser evil?	 https://secure.isc.org/store/t-shirt/
-- 
David W. Hankins	"If you don't do it right the first time,
Software Engineer		     you'll just have to do it again."
Internet Systems Consortium, Inc.		-- Jack T. Hankins
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