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Mention that Linux builds now do not enable threads by default.
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6
FAQ
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FAQ
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Frequently Asked Questions about BIND 9
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Q: Why doesn't -u work on Linux 2.2.x?
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Q: Why doesn't -u work on Linux 2.2.x when I build with --enable-threads?
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A: Linux threads do not fully implement the Posix threads (pthreads) standard.
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In particular, setuid() operates only on the current thread, not the full
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@ -23,8 +23,8 @@ of a security risk than a root process that has not dropped privileges.
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If Linux threads ever work correctly, this restriction will go away.
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Configuring BIND9 with the --disable-threads option causes a non-threaded
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version to be built, which will allow -u to be used.
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Configuring BIND9 with the --disable-threads option (the default) causes a
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non-threaded version to be built, which will allow -u to be used.
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Q: Why does named log the warning message "no TTL specified - using SOA
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