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Jonathan Nobels 19b0c8a024 net/dns, health: raise health warning for failing forwarded DNS queries (#12888) ... updates tailscale/corp#21823 Misconfigured, broken, or blocked DNS will often present as "internet is broken'" to the end user. This plumbs the health tracker into the dns manager and forwarder and adds a health warning with a 5 second delay that is raised on failures in the forwarder and lowered on successes. Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>		4 months ago
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publicdns	net/dns/publicdns: remove additional information in DOH URL passed to IPv6 address generation for controlD.	4 months ago
recursive	all: use Go 1.22 range-over-int	7 months ago
resolvconffile	clientupdate, net/dns: fix some "tailsacle" typos	8 months ago
resolver	net/dns, health: raise health warning for failing forwarded DNS queries (#12888)	4 months ago
config.go	all: add test for package comments, fix, add comments as needed	4 months ago
debian_resolvconf.go	all: update copyright and license headers	2 years ago
direct.go	net/dns: ensure /etc/resolv.conf is world-readable even with a umask	5 months ago
direct_linux.go	health: begin work to use structured health warnings instead of strings, pipe changes into ipn.Notify (#12406)	5 months ago
direct_notlinux.go	all: update copyright and license headers	2 years ago
direct_test.go	clientupdate, net/dns: fix some "tailsacle" typos	8 months ago
direct_unix_test.go	net/dns: ensure /etc/resolv.conf is world-readable even with a umask	5 months ago
flush_default.go	all: update copyright and license headers	2 years ago
flush_windows.go	cmd/tailscaled, net/dns, wgengine/router: start Windows child processes with DETACHED_PROCESS when I/O is being piped	5 months ago
ini.go	all: update copyright and license headers	2 years ago
ini_test.go	all: update copyright and license headers	2 years ago
manager.go	net/dns, health: raise health warning for failing forwarded DNS queries (#12888)	4 months ago
manager_darwin.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	5 months ago
manager_default.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	5 months ago
manager_freebsd.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	5 months ago
manager_linux.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	5 months ago
manager_linux_test.go	net/dns: ensure /etc/resolv.conf is world-readable even with a umask	5 months ago
manager_openbsd.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	5 months ago
manager_tcp_test.go	net/dns, health: raise health warning for failing forwarded DNS queries (#12888)	4 months ago
manager_test.go	net/dns: ensure multiple hosts with the same IP address are combined into a single HostEntry	5 months ago
manager_windows.go	various: create a catch-all NRPT rule when "Override local DNS" is enabled on Windows	5 months ago
manager_windows_test.go	util/winutil/gp, net/dns: add package for Group Policy API	4 months ago
nm.go	all: cleanup unused code, part 2 (#10670)	11 months ago
noop.go	all: update copyright and license headers	2 years ago
nrpt_windows.go	util/winutil/gp, net/dns: add package for Group Policy API	4 months ago
openresolv.go	net/dns: log more info when openresolv commands fail	9 months ago
osconfig.go	net/dns: fix typo in OSConfig logging (#12330)	5 months ago
osconfig_test.go	all: update copyright and license headers	2 years ago
resolvconf-workaround.sh	all: update copyright and license headers	2 years ago
resolvconf.go	net/dns: properly detect newer debian resolvconf	1 year ago
resolvconfpath_default.go	net/dns: overwrite /tmp/resolv.conf on gokrazy	1 year ago
resolvconfpath_gokrazy.go	net/dns: overwrite /tmp/resolv.conf on gokrazy	1 year ago
resolvd.go	all: update copyright and license headers	2 years ago
resolved.go	health, all: remove health.Global, finish plumbing health.Tracker	7 months ago
utf.go	all: update copyright and license headers	2 years ago
utf_test.go	all: update copyright and license headers	2 years ago
wsl_windows.go	net/dns: ensure /etc/resolv.conf is world-readable even with a umask	5 months ago