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IPv6 Advanced Protocols Implementation
book

IPv6 Advanced Protocols Implementation

by Qing Li, Jinmei Tatuya, Keiichi Shima
July 2010
Intermediate to advanced content levelIntermediate to advanced
1008 pages
35h 43m
English
Morgan Kaufmann
Content preview from IPv6 Advanced Protocols Implementation
3.4 Implementation of IPv6 DNS Resolver 261
It does not make sense to try ip6.int anymore because the use of this domain has been
deprecated as explained in Section 3.3.6. Any query about the name under this domain
simply results in a negative response. The resolver library provided in recent versions of
BSD variants, including FreeBSD, now only tries the ip6.arpa domain.
Set Up the Resolver Context
Listing 3-46
name6.c
1481 if ((_res.options & RES_INIT) == 0) {
1482 if (res_init() < 0) {
1483 *errp = h_errno;
1484 return NULL;
1485 }
1486 }
name6.c
1481–1486 If this is the first time the resolver library is used, res_init() is called to initialize
the resolver ...
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Publisher Resources

ISBN: 9780080489308