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5a12e7c134
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0 x86_64 is released as stable! Thanks to everyone who helped make this release possible -- see the RELEASE_NOTES for the credits. The ISOs are off to the replicator. This time it will be a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. We're taking pre-orders now at store.slackware.com. Please consider picking up a copy to help support the project. Once again, thanks to the entire Slackware community for all the help testing and fixing things and offering suggestions during this development cycle. As always, have fun and enjoy! -P.
26 lines
1.1 KiB
Diff
26 lines
1.1 KiB
Diff
The gethostbyname4() lookup method is problematic since it fires out both
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the A and AAAA DNS queries in parallel and over the same socket. This
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should work in theory, but it turns out that many cheap DSL modems and
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similar devices have buggy DNS servers - if the AAAA query arrives too
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quickly after the A query, the server will generate only a single reply
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with the A query id but returning an error for the AAAA query; we get
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stuck waiting for the second reply.
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For gethostbyname4() users affected, disabling IPv6 in the system might
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work around the issue, unfortunately it only helps with applications
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using AI_ADDRCONFIG (e.g. Firefox); some (notably e.g. Pidgin) neglect
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to do that.
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Real fix should be using separate ports for the A and AAAA queries.
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--- resolv/Versions 2008-08-02 10:26:09.000000000 +0200
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+++ resolv/Versions 2008-12-08 12:51:53.000000000 +0100
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@@ -102,7 +102,7 @@ libnss_dns {
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_nss_dns_gethostbyname_r; _nss_dns_getnetbyaddr_r;
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_nss_dns_getnetbyname_r; _nss_dns_getcanonname_r;
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_nss_dns_gethostbyaddr2_r;
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- _nss_dns_gethostbyname4_r;
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+# _nss_dns_gethostbyname4_r;
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}
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}
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