f051c36471
This addresses part of https://github.com/heimdal/heimdal/issues/1214 to audit potential network leaks with [libdefaults] block_dns = yes. NI_NUMERICHOST is _probably_ sufficient -- we probably won't see many systems using NIS to look up service names by number if we fail to specify NI_NUMERICSERV, and such systems probably require careful auditing of their own. And I don't know of any way NI_NUMERICSCOPE could trigger network leaks. But named scope ids are such a niche option with IPv6 that setting it to forestall concerns can't hurt much, and it makes reviewing easier if we just unconditionally flip on all the numeric-only options.
Heimdal
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