Internet Systems Consortium DHCP Distribution
- Version 4.1.0rc1
- 19 November 2008
+ Version 4.2.0
+ 21 December 2012
- Release Notes
+ Release Notes
- NEW FEATURES
+ NEW FEATURES
-ISC DHCP 4.1.x includes several new DHCPv6 features that were not included
-in DHCP 4.0.x. These include:
-
-- Support for the rapid-commit option on the client side
-
-- Prefix Delegation support
-
-- IA_TA address support
-
-- A basic DHCPv6 relay agent
-
-- Basic and partial DHCPv6 leasequery support
+ISC DHCP 4.2.x includes features that were not included in DHCP 4.1.x.
+These include:
There are a number of DHCPv6 limitations and features missing in this
release, which will be addressed in the future:
- Only Solaris, Linux, FreeBSD, NetBSD, and OpenBSD are supported.
-- Only a single address is supported per IA.
-
-- DHCPv6 includes human-readable text in status code messages. These
- should be configurable, and probably localized via gettext() or the
- like.
+- DHCPv6 includes human-readable text in status code messages, in
+ English. A method to reconfigure or support other languages would
+ be preferrable.
- The "host-identifier" option is limited to a simple token.
work on other platforms. Please report any problems and suggested fixes to
<dhcp-users@isc.org>.
- Changes since 4.1.0b1
+
+ Changes since 4.1.0 (new features)
+
+- Failover port configuration can now be left to defaults (port 647) as
+ described in the -12 revision of the Failover draft (and assigned by
+ IANA). Thanks in part to a patch from David Cantrell at RedHat.
+
+ Changes since 4.1.0 (bug fixes)
+
+- Validate the argument to the -p option.
+
+- The notorious 'option <unknown> ... larger than buffer' log line,
+ which is seen in some malformed DHCP client packets, was modified.
+ It now logs the universe name, and does not log the length values
+ (which are bogus corruption read from the packet anyway). It also
+ carries a hopefully more useful explanation.
+
+- Suppress spurious warnings from configure about --datarootdir
+
+- A bug was fixed that caused the server not to answer some valid Solicit
+ and Request packets, if the dynamic range covering any requested addresses
+ had been deleted from configuration.
+
+- Update the code to deal with GCC 4.3. This included two sets of changes.
+ The first is to the configuration files to include the use of
+ AC_USE_SYSTME_EXTENSIONS. The second is to deal with return values that
+ were being ignored.
+
+- The db-time-format option was documented in manpages.
+
+- Using reserved leases no longer results in 'lease with binding state
+ free not on its queue' error messages, thanks to a patch from Frode
+ Nordahl.
+
+- Fix a build error in dhcrelay, using older versions of gcc with
+ dhcpv6 disabled.
+
+- Two uninitialized stack structures are now memset to zero, thanks to a
+ patch from David Cantrell at RedHat.
+
+ Changes since 4.1.0b1
- A missing "else" in dhcrelay.c could have caused an interface not to
be recognized.
- A dhclient-script for MacOS X has been included, which enables
'dhclient -6' support.
+- DDNS removal routines were updated so that the DHCID is not removed until
+ the client has been deprived of all A and AAAA records (not only the last
+ one of either of those). This resolves a bug where dual stack clients
+ would not be able to regain their names after either expiration event.
+
Changes since 4.1.0a1
- Corrected list of failover state values in dhcpd man page.
- A minor bug fix in the arguments to a logging function call.
- Documentation update for dhcpd.conf.
- Changes since 3.0.1rc2
+ Changes since 3.0.1rc2
- Allow the primary to send a POOLREQ message. This isn't what the current
failover draft says to do, so we may have to back it out if I can't get the
current draft seems needlessly hairy, so I'm floating a trial balloon.
The rc1 code did not implement the method described in the draft either.
- Changes since 3.0.1rc1
+ Changes since 3.0.1rc1
- Treat NXDOMAIN and NXRRSET as success when we are trying to delete a
domain or RRSET. This allows the DHCP server to forget about a name
than a history of all references and dereferences. This code is only used
when extensive additional debugging is enabled.
- Changes since 3.0
+ Changes since 3.0
- Make allocators for hash tables. As a side effect, this fixes a memory
smash in the subclass allocation code.
- Support GCC on SCO.
- Changes since 3.0 Beta 2 Patchlevel 23
+ Changes since 3.0 Beta 2 Patchlevel 23
- Fix a bug in the DNS update code where a status code was not being
checked. This may have been causing core dumps.
- Fix some memory allocation bugs in failover.
- Changes since 3.0 Beta 2 Patchlevel 22
+ Changes since 3.0 Beta 2 Patchlevel 22
- Apply some patches suggested by Cyrille Lefevre, who is maintaining
the FreeBSD ISC DHCP Distribution port.
- Fix a core dump in DHCPRELEASE.
- Changes since 3.0 Beta 2 Patchlevel 21
+ Changes since 3.0 Beta 2 Patchlevel 21
- This time for sure: fix the spin described in the changes for pl20.
- Changes since 3.0 Beta 2 Patchlevel 20
+ Changes since 3.0 Beta 2 Patchlevel 20
- Fix a problem with Linux detecting large numbers of interfaces (Ben)
previous fix only partially fixed the problem - enough to get it
past the regression test.
- Changes since 3.0 Beta 2 Patchlevel 19
+ Changes since 3.0 Beta 2 Patchlevel 19
- Fix a bug that could cause the server to abort if compiled with
POINTER_DEBUG enabled.
- Install unformatted man pages on SunOS.
- Changes since 3.0 Beta 2 Patchlevel 18
+ Changes since 3.0 Beta 2 Patchlevel 18
- Allow the server to be placed in partner-down state using OMAPI.
(Damien Neil)
** there was no pl17 **
- Changes since 3.0 Beta 2 Patchlevel 16
+ Changes since 3.0 Beta 2 Patchlevel 16
- Add support for transaction tracing. This allows the state of the
DHCP server on startup, and all the subsequent transactions, to be
would cause two DHCPDISCOVERS to be sent back-to-back on startup.
- Changes since 3.0 Beta 2 Patchlevel 15
+ Changes since 3.0 Beta 2 Patchlevel 15
- Some documentation tweaks.
- Fix a core dump that would occur if a packet was sent with no
options.
- Changes since 3.0 Beta 2 Patchlevel 14
+ Changes since 3.0 Beta 2 Patchlevel 14
- Finish fixing a long-standing bug in the agent options code. This
was causing core dumps and failing to operate correctly - in
- Don't send faked-out giaddr when renewing or bound - again, useful
for debugging.
- Changes since 3.0 Beta 2 Patchlevel 13
+ Changes since 3.0 Beta 2 Patchlevel 13
- Fixed a problem where the fqdn decoder would sometimes try to store
an option with an (unsigned) negative length, resulting in a core
the transition.
- Changes since 3.0 Beta 2 Patchlevel 12
+ Changes since 3.0 Beta 2 Patchlevel 12
- Fixed a couple of silly compile errors.
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