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1.1 ! root 1: ! 2: Welcome to version 4.8 of bind. ! 3: ! 4: There have been several changes to the named boot file (/etc/named.boot) ! 5: of which you should be aware. The "domain" line for each zone is no longer ! 6: needed, but one such line may still be used to specify a default domain ! 7: to be used for queries containing names with only a single component. ! 8: The term "suffixes", which was added in version 4.7alpha, has been removed. ! 9: ! 10: The manual page on named (named.8) has been updated to reflect all ! 11: these changes. Please read this and look at the example files ! 12: before installation. You should also note the changes in the ! 13: resolver code to support non-fully-qualified addresses and per-user ! 14: host aliases. See hostname(7) for an overview. Two new routines ! 15: have been added to the resolver library since the last test release: ! 16: res_query formulates a query, sends it, waits for a response and does ! 17: preliminary error checking; res_search implements the search rules ! 18: of gethostbyname using res_query. ! 19: ! 20: The MX lookup routine in sendmail has been modified to use res_search. ! 21: Also, dn_skip takes an additional parameter and has been renamed ! 22: to dn_skipname. While old sendmail binaries will work with the new ! 23: version of bind, because of these changes, it is desirable to install ! 24: new sendmail sources and recompile sendmail. Do not rebuild sendmail ! 25: from old sources. The new sendmail is on ucbarpa.Berkeley.EDU for ! 26: anonymous FTP from pub/4.3/sendmail.MX.tar and pub/4.3/sendmail.MX.tar.Z. ! 27: ! 28: There have been numerous changes to named, fixing most of the known ! 29: bugs that can be fixed without major structural changes in the server. ! 30: Several server configurations that failed before should now work. ! 31: Certain robustness problems have been fixed, in particular bounds- ! 32: checking when processing incoming packets. Two changes have been made ! 33: in preparation for negative caching: SOA records are sent in the authority ! 34: section in negative responses with NXDOMAIN set, and a bug was fixed that ! 35: caused confusion and repeated requests if a response had no error, no answer ! 36: and an SOA in the authority section. As such responses are already sent ! 37: by other servers, and will be sent by the next release of BIND, it is ! 38: important that all sites upgrade to this version as quickly as possible. ! 39: ! 40: The root "hint" cache and cache file remain the largest problem area, ! 41: along with named's naivete in accepting bogus server's data. ! 42: These will be addressed in the next release, along with asynchronous ! 43: zone transfers, intelligent reloading of zone files, faster startup, ! 44: and caching of negative responses. ! 45: ! 46: This version (4.8) will replace the last officially released version (4.5). ! 47: Version 4.5 has a serious bug that causes the generation of a continuous ! 48: stream of bogons to the root domain servers (bogus queries with the query ! 49: response bit set and possibly garbage for nsid and rcode). It is imperative ! 50: that these versions of named be replaced as fast as possible. We urge you to ! 51: field 4.8 quickly, for the sake of the root domain servers. ! 52: ! 53: Mike Karels ! 54: Jean Wood ! 55: [email protected]
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