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http://bugs.exim.org/show_bug.cgi?id=1461 Summary: dnssec use floods /var/log/messages Product: Exim Version: 4.82 Platform: All OS/Version: Linux Status: NEW Severity: bug Priority: medium Component: Lookups AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected] The intro of dnssec checking on rdns lookups exposes a bug in the linux glibc: once the process-global resolver options dnssec bit is set, old-style gethostbyaddr lookup use it too and proceed to spit an error when the non-understood RR arrives: We'll be chasing the glibc issue separately, but exim might workaround by either flipping the dnssec bit only while needed or by converting all current use of gethostby* to use the newer res_search(). The latter is preferred because we want to use toward dnssec-everywhere (and anyway, gethostbyname in obsoleted by getaddrinfo where both ipv4 & ipv6 returns are possible). How this impacts OS' which use getipnodebyaddr (SunOS5, apparently) I'm not sure. The linux manpage says that all OS' that support it call it deprecated. The openindiana manpage says that getaddrinfo is preferred to it, and there is a manpage for res_search; we could probably use res_search everywhere. -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/exim-dev Exim details at http://www.exim.org/ ##
