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September 2019

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DNS-STATS Compactor 1.0.0-beta1 release
by Jim Hague Sept. 27, 2019

Sept. 27, 2019

Hi all, We are pleased to announce the release of DNS-STATS Compactor version 1.0.0-beta1. This release is the first beta release for version 1.0. As can be seen from the following, it includes some substantial changes, and so is regarded as experimental. We have created a separate ppa to hold the packages for this release until it is more mature (see below). Production systems should continue to use 0.12.3. We intend to continue to provide bug fix updates where necessary for the 0.12 series until version 1.1 is released. Updates since 0.12.3: * Supports C-DNS as described in RFC8618. ** compactor writes only C-DNS 1.0 format. ** inspector reads C-DNS 1.0 and all previously supported draft formats. * New fine-grained selection of data stored in C-DNS via excluded_fields file. ** Previous section 'include' settings are deprecated, and may only be used if excluded_fields file is not specified. ** Default values may be supplied to inspector for individual items of data not present in the C-DNS file. A complete set of defaults must be supplied when outputting PCAP. * inspector command line options --info-only and --report-only are deprecated, and replaced with --no-info and --no-output. * Added template items query_response_query_has_no_question and query_response_response_has_no_question. Item query_response_query_has_question is deprecated. * Addresses stored in C-DNS files may be stored only to a given prefix length, potentially saving storage space. For more information, please see the project wiki: https://github.com/dns-stats/compactor/wiki. Packages for EXPERIMENTAL releases available from: ppa:dns-stats/compactor-unstable Source code available at: https://github.com/dns-stats/compactor Documentation available at: https://github.com/dns-stats/compactor/wiki/user-guide-1.0.0-beta1.pdf https://github.com/dns-stats/compactor/wiki/user-guide-1.0.0-beta1.html

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DNS-STATS Compactor - Advanced warning of the 1.0.0 beta release
by Sara Dickinson Sept. 20, 2019

Sept. 20, 2019

Hi All, We have been working on updating the DNS-STATS Compactor to match the C-DNS specification now published in RFC8618. We plan to designated this the 1.0.0 DNS-STATS Compactor release. There are a number of significant changes that were required to support the more flexible specification introduced since the -04 version of the C-DNS draft that is the basis of the current 0.12 release. This email is intended to provide a timeline for the 1.0.0 release and an outline of the changes. Timeline ---------- We plan to do a 1.0.0-beta1 release on Friday 27th Sept. We expect to have at least two months of beta testing, possibly longer. Please note: * Version 1.0.0 will be backwards compatible with C-DNS files produced by all previous versions of the DNS-STATS Compactor. In other words in version 1.0.0: ** compactor will write only version 1.0 C-DNS as defined in RFC8618 ** inspector will read version 1.0 C-DNS files and also the two older private C-DNS formats (0.2 and 0.5) used by the previous DNS-STATS Compactor releases. * The default behaviour does not change in the 1.0.0 release compared to the 0.12 release but there are additional configuration files required/available. * We are asking users to test the beta code, but are *not* recommending it for production use until the official 1.0.0 release happens later this year. Overview of changes ---------------------------- * The most significant change is that in the 1.0 C-DNS format almost all the fields are optional, whereas in the earlier draft specification a minimum set of fields was always captured. The default behaviour of the DNS-STATS Compactor remains the same: all fields are captured. * The ‘include’ parameter in the compactor configuration file is deprecated in 1.0.0 as it cannot provide the full flexibility required by the 1.0 C-DNS specification. It is replaced by a new file ‘excluded_fields.conf’ which allows for fine grained management of specific data fields. The ‘include’ parameter will be removed in a future release. * This new optionality adds complexity to PCAP reconstruction for cases where not all data was captured. A new file specifying defaults for potentially missing fields is introduced in 1.0.0, which in installed by default and must be present when reconstructing PCAPS. The 1.0.0 code is currently available in a branch on GitHub: https://github.com/dns-stats/compactor/tree/feature/v1.0.0 The Changelog is here: https://github.com/dns-stats/compactor/blob/feature/v1.0.0/ChangeLog.txt And the updated 1.0.0. User Guide with more details of the new functionality is available here: https://github.com/dns-stats/compactor/wiki/user-guide-1.0.0-beta0.pdf <https://github.com/dns-stats/compactor/wiki/user-guide-1.0.0-beta0.pdf> https://github.com/dns-stats/compactor/wiki/user-guide-1.0.0-beta0.html This code will be merged into the develop & master branches on Friday 27th and new 1.0.0-beta1 packages will also be made available then. If you have any questions, please let us know! Best regards Sara.

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