net: filter disabled interfaces in Windows DNS client
The Go DNS resolver on Windows should filter disabled
interfaces. Otherwise disabled TUN devices, VPNs will be also
considered as valid nameservers and finally timedout.
Fixes #56160
(Originally from Zhiyuan Zheng <zhzy0077@hotmail.com>
in https://go.dev/cl/442375)
Co-authored-by: Zhiyuan Zheng <zhzy0077@hotmail.com>
GitHub-Last-Rev:
db158625bb46692cbbc09e3fe4dfa023c733f4e6
GitHub-Pull-Request: golang/go#56161
Change-Id: I7becebc55c8ac612c670c533855f7e6ca397a496
Reviewed-on: https://go-review.googlesource.com/c/go/+/500375
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Auto-Submit: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>