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DISCONTINUED:openSUSE:11.1:Update
glibc
glibc-2.10-dns-no-gethostbyname4.diff
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File glibc-2.10-dns-no-gethostbyname4.diff of Package glibc
The gethostbyname4() lookup method is problematic since it fires out both the A and AAAA DNS queries in parallel and over the same socket. This should work in theory, but it turns out that many cheap DSL modems and similar devices have buggy DNS servers - if the AAAA query arrives too quickly after the A query, the server will generate only a single reply with the A query id but returning an error for the AAAA query; we get stuck waiting for the second reply. For gethostbyname4() users affected, disabling IPv6 in the system might work around the issue, unfortunately it only helps with applications using AI_ADDRCONFIG (e.g. Firefox); some (notably e.g. Pidgin) neglect to do that. Real fix should be using separate ports for the A and AAAA queries. --- resolv/Versions 2008-08-02 10:26:09.000000000 +0200 +++ resolv/Versions 2008-12-08 12:51:53.000000000 +0100 @@ -102,7 +102,7 @@ libnss_dns { _nss_dns_gethostbyname_r; _nss_dns_getnetbyaddr_r; _nss_dns_getnetbyname_r; _nss_dns_getcanonname_r; _nss_dns_gethostbyaddr2_r; - _nss_dns_gethostbyname4_r; +# _nss_dns_gethostbyname4_r; } }
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