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tailscale/control
Andrew Dunham 530aaa52f1 net/dns: retry forwarder requests over TCP
We weren't correctly retrying truncated requests to an upstream DNS
server with TCP. Instead, we'd return a truncated request to the user,
even if the user was querying us over TCP and thus able to handle a
large response.

Also, add an envknob and controlknob to allow users/us to disable this
behaviour if it turns out to be buggy ( DNS ).

Updates #9264

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: Ifb04b563839a9614c0ba03e9c564e8924c1a2bfd
8 months ago
..
controlbase various: add golangci-lint, fix issues (#7905) 1 year ago
controlclient wgengine/magicsock, controlclient, net/dns: reduce some logspam 8 months ago
controlhttp net/wsconn: accept a remote addr string and plumb it through 9 months ago
controlknobs net/dns: retry forwarder requests over TCP 8 months ago