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Jonathan Nobels 02e3c046aa net/dns: re-query system resolvers on no-upstream resolver failure on apple platforms (#12398) ... Fixes tailscale/corp#20677 On macOS sleep/wake, we're encountering a condition where reconfigure the network a little bit too quickly - before apple has set the nameservers for our interface. This results in a persistent condition where we have no upstream resolver and fail all forwarded DNS queries. No upstream nameservers is a legitimate configuration, and we have no (good) way of determining when Apple is ready - but if we need to forward a query, and we have no nameservers, then something has gone badly wrong and the network is very broken. A simple fix here is to simply inject a netMon event, which will go through the configuration dance again when we hit the SERVFAIL condition. Tested by artificially/randomly returning [] for the list of nameservers in the bespoke ipn-bridge code responsible for getting the nameservers. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>		2 years ago
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art	all: use Go 1.22 range-over-int	2 years ago
connstats	all: use Go 1.22 range-over-int	2 years ago
dns	net/dns: re-query system resolvers on no-upstream resolver failure on apple platforms (#12398)	2 years ago
dnscache	net/dnscache: use parent context to perform lookup	2 years ago
dnsfallback	tsd, ipnlocal, etc: add tsd.System.HealthTracker, start some plumbing	2 years ago
flowtrack	all: update copyright and license headers	3 years ago
ktimeout	net/ktimeout: add a package to set TCP user timeout	2 years ago
memnet	net/memnet: export the network name (#9111)	3 years ago
netaddr	all: update copyright and license headers	3 years ago
netcheck	net/netcheck: fix probeProto.String result for IPv6 probes	2 years ago
neterror	net/neterror, wgengine/magicsock: use UDP GSO and GRO on Linux (#7791)	3 years ago
netkernelconf	ipn/{ipnlocal,localapi},net/netkernelconf,client/tailscale,cmd/containerboot: optionally enable UDP GRO forwarding for containers (#12410)	2 years ago
netknob	all: update copyright and license headers	3 years ago
netmon	net/netmon: remove spammy log statements (#11953)	2 years ago
netns	net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon	2 years ago
netstat	net/{netns,netstat}: use new x/sys/cpu.IsBigEndian	3 years ago
netutil	net/netmon, add: add netmon.State type alias of interfaces.State	2 years ago
packet	all: use Go 1.22 range-over-int	2 years ago
ping	net/ping: fix ICMP echo code field to 0	3 years ago
portmapper	all: use math/rand/v2 more	2 years ago
proxymux	all: cleanup unused code, part 1 (#10661)	2 years ago
routetable	net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon	2 years ago
socks5	net/socks5: add password auth support	3 years ago
sockstats	net/{interfaces,netmon}, all: merge net/interfaces package into net/netmon	2 years ago
speedtest	all: update copyright and license headers	3 years ago
stun	all: make more tests pass/skip in airplane mode	2 years ago
stunserver	all: use Go 1.22 range-over-int	2 years ago
tcpinfo	all: use Go 1.22 range-over-int	2 years ago
tlsdial	tsd, ipnlocal, etc: add tsd.System.HealthTracker, start some plumbing	2 years ago
tsaddr	types/views: remove duplicate SliceContainsFunc	2 years ago
tsdial	tsnet,wgengine/netstack: add ListenPacket and tests	2 years ago
tshttpproxy	all: use Go 1.22 range-over-int	2 years ago
tstun	net/tstun: do SNAT after filterPacketOutboundToWireGuard	2 years ago
wsconn	net/wsconn: accept a remote addr string and plumb it through	3 years ago